Can a bad ignition switch cause a starter relay to fail?

Can a bad ignition switch cause a starter relay to fail?

Although it’s unlikely that you’ll ever experience a problem with the starter relay, it is prone to mechanical failure and will need to be replaced by a professional mechanic if it wears out. Most of today’s modern cars and trucks have an electronic ignition switch that is activated by remote key.

What causes a car starter to not turn over?

However, when powered, it should send a signal to the starter relay once the key is turned or the starter button is pressed. If you press this button or if you turn the key on a manual ignition switch and the vehicle does not turn over, it may be caused by a problem with the starter relay.

Do you need a manual ignition switch to start a car?

As stated above, electronic keys do not have a manual ignition switch. However, when powered, it should send a signal to the starter relay once the key is turned or the starter button is pressed.

Why is a clicking sound coming from the starter relay?

Clicking sound coming from the starter One of the most important – and most forgotten – components of any vehicle’s ignition system is the starter relay. This electrical part is designed to redirect power from the battery to the starter solenoid, which then activates the starter to spin over the engine.

Although it’s unlikely that you’ll ever experience a problem with the starter relay, it is prone to mechanical failure and will need to be replaced by a professional mechanic if it wears out. Most of today’s modern cars and trucks have an electronic ignition switch that is activated by remote key.

However, when powered, it should send a signal to the starter relay once the key is turned or the starter button is pressed. If you press this button or if you turn the key on a manual ignition switch and the vehicle does not turn over, it may be caused by a problem with the starter relay.

What to do if your car won’t start while in Park?

Car will not start intermittently while in PARK but alway… Q: Car will not start intermittently while in PARK but always starts on NEUTRAL. I will give a brief chronology of my problems over the last 6 weeks and hopefully I can get a recommendation on what to do next.

Why does my GM car say no start no crank?

How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.

Can a bad solenoid be a sign of a bad starter?

Intermittent operation can be a sign of a failing starter solenoid. Other issues that present like a bad solenoid. Problems that might cause your car to act like it has a bad starter solenoid can include: Bad battery – If the battery voltage is low it will be unable to provide enough power to start your engine.

What are the wires in a classic car starter relay?

Classic car starter relays will often have four wires in the connector. With the ignition key in the on position, there should be power on the heavy gauge red wire and a strong ground on the black wire.

What are common reasons my GMC Safari won’t start?

What are common reasons my GMC Safari won’t start? While there are a variety of reasons your GMC Safari won’t start, the most common 3 are a dead battery, an alternator problem, or failed starter. How is a no-start diagnosis fixed?

What to do when your GMC Sierra won’t start?

If the Sierra does not start after replacing or charging the battery, move to the next step. Turn the headlights on and then turn the ignition key to the “On” position. If the headlights dim, the ignition switch sends electricity to the starter motor and solenoid. If the headlights do not dim, the ignition switch is defective. Locate the starter.

Where is the starter wire on a GMC Sierra?

Locate the two wire connectors on the back of the solenoid. The wire on the left connector connects to the ignition switch. The wire on the right connector connects to the starter motor. Place the blade of a screwdriver across both contacts to short out the starter solenoid.

How to troubleshoot a no start GM 4.3L pick up?

Testing a Cranks but Does Not Start condition on your GM 4.3L, 5.0L, 5.7L pick up, van or SUV is not that hard to do, if you have a solid diagnostic strategy. In this article I’ll show you the basics of testing such a problem.

What is the function of a starter relay?

The main function of a starter relay is to work as a switch for the starter solenoid by switching on a large current stream from a smaller one generated from the ignition switch circuit. It does the same for the starter motor when it is an automotive car.

Can a bad ignition switch keep a Jeep Cherokee from starting?

A bad ignition switch can cause your Cherokee not to start at all. And, it can keep your Cherokee from starting in a couple of different ways. The first is when the starter cranks, but the bad ignition switch doesn’t turn on the fuel pump or ignition.

Can a bad starter relay be a solenoid problem?

Sometimes the starter itself is the problem. Electrical issues can be annoying and inconvenient. They can also be hazardous and can cause damage. If you run into symptoms of a bad starter relay or solenoid with your car, truck, or SUV, make sure to have a trusted technician to diagnose the specific problem.

When do I need to replace my solenoid starter?

When this is the case, it may be necessary to replace the entire starter when the solenoid goes bad. Sometimes the starter itself is the problem. Electrical issues can be annoying and inconvenient. They can also be hazardous and can cause damage.

Can a bad solenoid cause a car to not start?

If the starter engages but does not disengage when you let go of the key, the solenoid is likely bad and the starter may suffer significant damage as a result. 6. Sometimes your car starts, sometimes it doesn’t. Intermittent operation can be a sign of a failing starter solenoid. Other issues that present a bad solenoid

Why does my car not start when I jump the solenoid?

If your car won’t start and the problem is not caused by a dead battery, then you might need to jump the starter solenoid to get your car moving again. The starter solenoid is responsible for sending an electrical current to the starter motor.

Can you jump the solenoid relay with a screwdriver?

You indicated you can jump the solenoid relay with a screwdriver and the vehicle will start. Well, that would indicate the starter is good. If, as Rowenfast posted, check for 12 volts at the small wire on the relay when someone turns the ignition to the start position.

What are the signs of a failing ignition switch?

Common Signs of a Failing Ignition Switch Engine Will Not Start. The problem here is probably: An anti-theft fault; Fault in the fuel pump circuit; Ignition circuit; Engine computer; If the anti-theft light is flashing, the computer is NOT recognizing the key or key fob and is; preventing the engine from starting.

Can a bad ignition switch cause a car not to start?

However, if your car has ignition switch problems, you may not be able to start the car at all. Ignition switch problems can also cause issues on the road, such as unexpected shutdowns or electrical problems.

Why does my car not start when I put the key in?

Putting the key in the ignition switch and starting the car feels like second nature. However, if your car has ignition switch problems, you may not be able to start the car at all. Ignition switch problems can also cause issues on the road, such as unexpected shutdowns or electrical problems.

What are the symptoms of an ignition switch failure?

Careful car owners can recognize the symptoms of ignition switch failure before the problem leaves them stranded on the side of the road. An ignition switch performs several functions for a vehicle.

Can a bad ignition key cause a car to stall?

The cylinder may become stripped or damaged resulting in the starter key no longer fitting, or the key being unable to lock into the drive position. Problems with the lock cylinder may be intermittent with the position slipping while the car is operating which will cause sluggish acceleration and stalling.

How does the starter relay work on a car?

Because these keys don’t use a manual ignition switch, the starter relay is still activated when the button is pushed. Whether you are turning the key or pressing a button, when the vehicle won’t start, it could be the starter relay.

How much does it cost to replace a starter relay?

The bad starter relay replacement cost is $50 to $75. The starter relay parts should cost you around $20, with the labor price at $30 to $55. Costs might vary based on your location and what type of vehicle you drive. Replacing a starter relay is a simple job that doesn’t require any specialized tools.

What happens when the starter relay is on?

When the starter relay is on, the starter rotor will start to move firing up the engine. The first thing you must check is if your battery has enough voltage to power up your car’s engine.

Can a blown fuse cause a starter to not start?

Blown fuse – Sometimes the simplest explanation is the best one. A blown fuse in the starter circuit could be the cause of a no-start problem. Broken or corroded wiring – Damaged or dirty wires to the battery or to the starter solenoid (or wires that are loose) can prevent sufficient power from reaching the starter.

What does it mean when your car starter is not working?

Start your engine and listen carefully to the sounds it is making. If there is a loud click, it means the starter relay is working correctly. A weak click means there is a loose connection. Check the wires that connect to your starter solenoid and tighten them.

Why is my starter not engaging the flywheel?

Tighten the mounting bolts and other connecting wires. If the mounting bolt is loose, the starter drive will not engage the flywheel properly. It will make a grinding noise when you try to fire up your engine. What this means is that the pinion gear on the starter is clashing with the ring gear on the flywheel. Check the pinion gear.

What does it mean when Your starter clicks but wont start?

Today’s topic is “starter clicks but won’t start.” Here are the steps to check that you got a faulty starter. Number one. First start by checking for battery power. Turn on your headlights, and if the light is bright that means you got power. If it is not bright then you got a bad battery or a faulty alternator.

As stated above, electronic keys do not have a manual ignition switch. However, when powered, it should send a signal to the starter relay once the key is turned or the starter button is pressed.

What do you need to know about a starter relay?

What is a Starter Relay? A starter relay is a small, electrical device found in the starting circuit of high-current motors. The relay is essentially a remote switch that controls a high-current circuit. In motor vehicles, a starter relay uses the small ignition switch current to close the much heavy-duty starter circuit.

Why does my Car start after I release the key?

When you start your engine and release the key or stop pressing the starter button on a modern vehicle, the circuit is supposed to close, which will discontinue power to the starter motor. If the starter stays on after the engine has ignited, the main contacts in the starter relay have most likely welded together in the closed position.

How does a starter relay work in a car?

The relay is essentially a remote switch that controls a high-current circuit. In motor vehicles, a starter relay uses the small ignition switch current to close the much heavy-duty starter circuit. In some automotive applications, the starter relay works together with the starter solenoid to operate the starting system.

When you start your engine and release the key or stop pressing the starter button on a modern vehicle, the circuit is supposed to close, which will discontinue power to the starter motor. If the starter stays on after the engine has ignited, the main contacts in the starter relay have most likely welded together in the closed position.

How to jump start your car starter relay?

How to jump start your cars starter relay. This is useful for when your car computer is playing up and not allowing you to start your car for safety reasons. We are basically brushing number 30 & 87. You can run a push button from these to inside your car and use it as a push button starter Loading…

What happens when I bypass the starter fuse / relay?

When I bypass the starter fuse/relay the car turns over like a charm no problem whatsoever, the starter does not hesitate. I tested all the wiring and voltage for the starter and the solenoid and those things you mention and they’re fine. The battery works fine when charged/jumped. It’s just been sitting for a few weeks.

How to jump start your cars starter relay. This is useful for when your car computer is playing up and not allowing you to start your car for safety reasons. We are basically brushing number 30 & 87. You can run a push button from these to inside your car and use it as a push button starter Loading…

Why does my car only start when I bypass the starter relay fuse?

If you replace both the starter and the battery I expect that will solve this problem. The fuse/relay involvement is a symptom, probably not the cause. You may have a shorted coil in the starter motor solenoid for example, which could cause this symptom. That’s part of the starter motor ass’y.

What happens when you stop pressing the starter button?

Starter stays on after engine started. When you start your engine and release the key or stop pressing the starter button on a modern vehicle, the circuit is supposed to close, which will discontinue power to the starter motor.

Why does my Car start intermittently after starting?

In this case, it’s important that you contact a mechanic as soon as possible so they can determine what is causing the intermittent contact. In many cases an intermittent starting problem is linked to a bad wire connection that may become dirty due to exposure under the hood.

Why does my electric bike keep cutting out?

Electric bikes can be quite finicky, especially if you’re a beginner. An electric bike only works if all the components are functioning correctly, which means there is no easy and quick way to troubleshoot major problems. One of the most common e-bike problems is the power cutting out.

Why does my electric bike not start up?

When you press the start button, you should get battery voltage at the wire to the starter relay, probably yellow with green stripe. If you get no voltage, the various safeties, or an intermittent would be a likely problem. How old is this bike? Other issues due to age could be present, if it is old enough.

Can a bad alternator cause a bad starter?

If the alternator is bad, the battery may not be capable of starting the engine. Starter – Some solenoids are mounted to the starter, but some are located directly inside the starter housing. When this is the case, it may be necessary to replace the entire starter when the solenoid goes bad. Sometimes the starter itself is the problem.

What happens if you have an incorrect ignition code?

The chip in the key transmits a specific code, of which there are millions. If this code matches the ones programmed into the vehicle, engine starting is enabled. An incorrect key code, such as from an unprogrammed key or damaged key, would prevent engine starting. Code “confusion,” such as having multiple keys can also occur, preventing ignition.

Can a unworn key turn an ignition cylinder?

Or, an unworn key may not turn a worn ignition cylinder, as they haven’t “worn together.” How To Fix It: The best way to do this is to get a new lockset, with new keys and a new cylinder. You might consider getting a matched lockset that includes the door and trunk cylinders.

What happens if you have an ignition switch problem?

However, if your car has ignition switch problems, you may not be able to start the car at all. Ignition switch problems can also cause issues on the road, such as unexpected shutdowns or electrical problems. To be sure, ignition switch problems are no fun, especially if they’re stopping you from getting to work or school or play.

What kind of ignition system does sniper EFI work with?

Sniper EFI is compatible with many types of ignition systems! This video is intended to cover every scenario from factory ignitions, CDI boxes like an MSD 6A or 6AL, GM HEI, Hyperspark, and everything in between!

What is an eight channel CDI ignition system?

The Eight channel CDI is a compact eight output Capacitive Discharge Ignition system that is designed to drive eight external CDI coils. The enclosure is extruded 6061 aluminium that is environmentally sealed and features Autosport 12 and 19 pin main connectors. see details

What is the VR1 capacitive discharge ignition system?

The VR1 is a compact Capacitive Discharge Ignition system that is designed as a direct replacement unit for the Lucas ignition box used on all Cosworth engines. The enclosure is billet machined 6061 aluminium that is environmentally sealed and features a mil-spec 12 pin main connector.

Is the starter on a Yamaha Virago defective?

The Virago is no different than any other motorcycle manufacturer when it comes to having defects in design or manufacturing. In Yamaha’s case, it is the starter employed by the Virago that has become the primary complaint.

What happens when the solenoid on a car starter fails?

The two components inside the starter that commonly fail are the solenoid (which sends an electrical signal to the starter motor to activate) or the starter motor itself. When this occurs, the starter will be rendered useless and needs to be replaced by a certified mechanic.

When to know if your car starter is failing?

In this case, the starter motor pulls extra current away from the vehicle’s other systems. If a chugging sound accompanies the dimming lights, the bearings within the starter motor may be failing. Regardless, have your vehicle inspected as soon as possible. 6. Smell or see smoke when starting the motor

How to diagnose and replace a starter-Advance Auto Parts?

If your defective solenoid is mounted separately from the starter, check out these tips for replacing it. Locate the fuses and relays for the starter system in the master fuse and relay block under the hood. Check the fuse (s) and replace any that are blown. If none are blown, check the relay.

What to do if your car starter is defective?

The usual remedy for this is to replace the starter. Take the starter out and have it tested at your local Advance store for free to verify your finding of a defective starter. You’ll also have to have the core in hand when buying the new one. Test the battery with a multimeter.

How can I tell if I need to replace my starter?

You’ll also have to have the core in hand when buying the new one. Test the battery with a multimeter. You need to see between 12.2 and 12.8 volts minimum with the engine off. If you see fewer than that, charge the battery and try again before continuing.

Intermittent operation can be a sign of a failing starter solenoid. Other issues that present like a bad solenoid. Problems that might cause your car to act like it has a bad starter solenoid can include: Bad battery – If the battery voltage is low it will be unable to provide enough power to start your engine.

Starter stays on after engine started. When you start your engine and release the key or stop pressing the starter button on a modern vehicle, the circuit is supposed to close, which will discontinue power to the starter motor.

When do I need to replace my starter motor?

So, if this happens the starting motor will have to be replaced. The most common problem with a starting motor is, when you turn your key and nothing happens. A solenoid or motor that has burned out or electrical issues, may cause this as well. Furthermore, a dead battery can cause the same problem.

Where is the starter on a car that won’t start?

To figure out why your car won’t start, it helps to know the difference between the starter and the ignition switch. The starter is an electric motor that cranks the engine, effectively starting the car. It is under the hood, usually on the passenger side at the bottom of the motor next to the transmission.

Is the battery good for a car starter?

Plenty of power to lights, radio, etc. The battery and starter are good. You need a subscription to comment. You need a subscription to watch. Network and collaborate with thousands of CTOs, CISOs, and IT Pros rooting for you and your success. See if this solution works for you by signing up for a 7 day free trial.

What should I do if I have a problem with my starter system?

Inspecting Cables and Wires. Corrosion around battery terminals prevents electrical flow. This is a common problem on a battery or starter system that hasn’t received much attention. If you notice a layer of corrosion around one or both battery terminals, clean them with a solution of baking soda and warm water.

What should I do when I remove the starter motor?

If you removed the starter motor for inspection, this is a good chance to check the flywheel as well. The flywheel is the large, heavy wheel between the engine and transmission. This is the wheel that the starter pinion gear engages to crank the engine. Once you’ve removed the starter motor, set your transmission to Neutral.

Why does the keyswitch not turn the starter?

They keyswitch may not be sending the signal to tell the battery to send juice to the starter, the battery may not be able to send enough power to the solenoid to turn the starter, the solenoid may not be ramping up the power given to it, or the starter may not be functioning and able to turn.

When to use a starter kill relay diagram?

The basic starter kill relay diagram shown below, breaks continuity of the wire from the ignition switch to the starter motor (or in some cases i.e.; Ford, to another relay), when the alarm is armed and the ignition is turned on. This is the most commonly used application for disabling the starter. Click here for another starter kill diagram.

How does the automatic shut down relay work?

The Automatic Shutdown (ASD) relay controls the power supplied to the fuel injectors, ignition coil, oxygen sensor heater elements, and other parts of the power module. The ASD relay shuts down the fuel ignition and the fuel pressure immediately after the ignition key is turned off; this is done to prevent problems like fire, dieseling, etc.

Where is the ignition switch on a starter relay?

In a system that uses the ignition switch to control the relay, the switch will usually be installed on the insulated side of the relay control circuit. When the ignition switch is turned to the START position, battery voltage is applied to the coil of the relay. Since the relay coil is grounded, the coil is energized and pulls the contacts closed.

What happens when a starter relay does not work?

Testing a starter relay helps you to diagnose the problem that’s making the car not to start. Starter relays do fail. They’re small components but make the primary circuit that supplies power to the main starter system. If they don’t work properly, your car cannot start.

How does the remote starter solenoid relay work?

Current flow when the remote starter solenoid is energized. A secondary function of the starter relay is to provide for an alternate path for current to the ignition coil during cranking. This is done by an internal connection that is energized by the relay core when it completes the circuit between the battery and the starter motor.

What should the voltage drop be on a starter relay?

Place the red probe of your multimeter on the terminal connection of the red wire from the battery. Place the other probe on the connection leading to the ignition switch circuit (the black and thin wire) Ask your helper to turn on the ignition as you read the multimeter. The voltage drop should be no more than 0.2V.

Why does my car not start when I turn the key?

This problem may be attributed to a circuit that has failed, so no matter how many times you turn the key, the vehicle will not start. If the circuit has not yet completely failed, you may hear a clicking noise as you try to turn the key.

What to do if your Nissan Sentra won’t start?

The car will cycle through the electronic warning on the dashboard to say – press the brake pedal and press the start button. The car will not start. Instead it will cycle through the radio coming on and the dash illuminating and then to off. The car will not start. It first occurred on 11/26/19, on two separate occasions.

What kind of problems does a Nissan Sentra have?

I have a 02 Nissan Sentra SE-R spec v and it is having both problems. My car won’t start but I have power. It cranks over but will not fire. I have 12 volts everywhere I can test and I still can’t get it to start.

Why does my Nissan Sentra make a clicking noise?

Tl the contact owns a 2019 Nissan Sentra. The contact stated that once placing the vehicle into park and turning off the ignition, the engine would make an abnormal, clicking noise as the headlights and brake lights would continuously flicker.

What does intermittent no start mean on a car?

Share it! An intermittent no-start condition references any time where starting is possible sometimes, and other times the engine will not start. This implies that the difference between starting and failure to start is not understood.

What does it mean when Your starter motor is not working?

If you do not hear a click, the starter solenoid is likely not functioning properly. If you do hear clicking, the solenoid may be engaging, but not sufficiently. Hearing clicking without the starter motor moving means the solenoid is transferring the electricity, but it may not be enough.

What to do if your Nissan Altima won’t start?

Learn if it’s a simple fix or time to seek out a trusted technician. Not your vehicle? Why Won’t My Car Start? What are common reasons my Nissan Altima won’t start? While there are a variety of reasons your Nissan Altima won’t start, the most common 3 are a dead battery, an alternator problem, or failed starter.

What should I do if my car battery won’t start?

Turn on the headlights; if the lights are dim or not on at all, your battery needs a post. Use a set of jumper cables to try to start the car; replace the battery if even a jump fails to start the car. Test the battery cables of the car by wiggling them if the car will start on occasion but not every time. You could have an electrical short.

This problem may be attributed to a circuit that has failed, so no matter how many times you turn the key, the vehicle will not start. If the circuit has not yet completely failed, you may hear a clicking noise as you try to turn the key.

Where is the starter solenoid located on a car?

Most often, a true starter relay is a small black cube plugged into an electrical fuse/relay box in the engine compartment, whereas a starter solenoid is (in most cases) attached directly to the starter on the engine (although it is sometimes located elsewhere in the engine compartment). Signs of a bad starter solenoid

Clicking sound coming from the starter One of the most important – and most forgotten – components of any vehicle’s ignition system is the starter relay. This electrical part is designed to redirect power from the battery to the starter solenoid, which then activates the starter to spin over the engine.

What’s the best way to replace a starter relay?

Make sure that it is not burned and make sure that the small wire from the ignition switch is not loose. Step 1: Put on safety glasses. Do not work on or around a battery without any eye protection. Step 2: Hook up a Sun Vat-40 or Ferret-40 to the battery. Turn the knob and load the battery up to 12.6 volts.

What happens to the armature of a starter relay?

When a current passes through the coil of a relay, the armature moves to increase the flux. When the current is switched off, the armature contracts. In a starter relay, when a key is turned in the car ignition, the movement of the armature closes the pair of heavy contacts that serve as the bridge between the battery and the starter motor.

What should I do if my starter won’t disengage?

It is a push on/pull off type terminal. Now turn the key to START and release. If the starter motor continues to turn pull the small connector from the RED/LBLU off its stud terminal while the starter is still cranking the engine (you may need a helper).

Why does my starter not engage with the flywheel?

You can hear the starter spinning, but it’s not engaging with the flywheel. What could be wrong? The most common causes why your starter won’t engage with the flywheel is low battery voltage, a faulty starter solenoid, faulty starter motor, and wiring problems.

What causes a car starter to not engage?

5 Causes of Starter is Not Engaging 1 Low Battery Voltage 2 Faulty starter motor solenoid 3 Starter motor Plunger or Pinion 4 Faulty Wiring to starter 5 Flywheel damages More

You can hear the starter spinning, but it’s not engaging with the flywheel. What could be wrong? The most common causes why your starter won’t engage with the flywheel is low battery voltage, a faulty starter solenoid, faulty starter motor, and wiring problems.

Why does my Dodge Charger not start up?

Typically a weak battery would cause rapid clicking noises from the starter or a slow turning starter. The starter not evening attempting to engage sounds like there’s an issue elsewhere. Could be a faulty ignition switch. But this is just a guess.

Why does my car not turn over when I Turn on the ignition?

If you press this button or if you turn the key on a manual ignition switch and the vehicle does not turn over, it may be caused by a problem with the starter relay. This problem may be attributed to a circuit that has failed, so no matter how many times you turn the key, the vehicle will not start.

What happens when you turn off the ignition key?

When you switch off the ignition key, the ignition relay should also shut off power to all engine components; otherwise, it will drain the car battery when you let the car stands over the night. When the ignition relay fails, it can cause the ignition system to be activated constantly, even when you have removed the keys from the ignition.

In this case, it’s important that you contact a mechanic as soon as possible so they can determine what is causing the intermittent contact. In many cases an intermittent starting problem is linked to a bad wire connection that may become dirty due to exposure under the hood.

What are the symptoms of a bad starter?

1. The engine won’t turn over and vehicle won’t start 2. Starter engages but doesn’t spin the motor 3. Sporadic starting issues 4. Grinding noise when trying to start the motor 5. Interior lights dim when starting the car 6. Smell or see smoke when starting the motor

What happens when a car starter wears out?

When this process works correctly, your engine comes to life. However, when the starter begins to wear out or break, it will impact your ability to drive the car. Over time, the starter motor will eventually run its course and wear out.

What happens when the ignition switch is off?

Generally speaking, in the “OFF” position, the ignition switch doesn’t connect anything; in the “ACC” position, the radio or fan may be energized; in the “RUN” position, the engine control module is energized; and finally, in the “START” position, the starter relay is engaged. (These generalizations, depend significantly on year, make, and model.)

Why does my starter keep spinning without the ignition?

When the ignition switch is turned to the start p [osition and the purplewire is energized, the solenoid pops out and when the ignition is released the solenoid rod SHOULD pop back down ( a spring assists this). If the solenoid rod sticks, the switch inside the solenoid assy will stay in contact letting the starter continue to spin.

Why does my ls1lt1 starter keep spinning?

Turn key to start, full power is coming through the test light. Turn key off, a small amount of power is coming through the test light still, and the solenoid is still engaged. Disconnect battery, solenoid disengages and no power is detected in the wire after reconnecting battery.