Why do my brake lights not work on my GMC Sierra?

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Why do my brake lights not work on my GMC Sierra?

I have a 1994 GMC Sierra C1500 2WD with 4.3l w/automatic. It was a fleet vehicle. Plain Jane accept for High Output Heater, Limited Slip Diff and Engine Block Heater. Brake lights were working intermittently. Would come on when pedal as first depressed then go out after pedal traveled down a bit. I put in a new switch and all was well for 3 months.

Why are the rear lights on my 91 k1500 not working?

I had the same problem on my 91 K1500. The most common reason rear lights of any kind will fail is rotted wires. They run through wire shroud from front to back along the inside of the frame to the left tail light. Running this way leaves them exposed to the elements.

What should I do if my brake lights dont work?

Solder and shrink tube the new wire to these pigtails and give it a test. If you are unsure of the wire color associated with brake light function, you can access wiring diagrams online, but be warned, chev/gm have been known to change color codes from time to time.

Why are the rear lights on my car not working?

The most common reason rear lights of any kind will fail is rotted wires. They run through wire shroud from front to back along the inside of the frame to the left tail light. Running this way leaves them exposed to the elements. Check along the run for rotted, broken or degraded wire.

How long does it take for a GMC Sierra to stop stalling?

If you decide to replace it. Your PCM will have to go through the relearn. Another words, it may take up to 5 miles of driving or 15 minuts for the idle to stop fluctuating. Good luck My 2002 with the 8.1 had a similar problem for a year for which the dealer or various independent repair facilities couldn’t find a solution.

What was the problem with my GMC Sierra?

August 2007, Brought truck into dealership and they figured it was a weak fuel pump and was replaced, September 2007 stalling of engine continued. NOV. 2007 dealership replaced ignition harness, and stalling continued. Dec. 2007 I replaced the battery and did a thourough cleaning of the battery terminals.

When was the ignition harness replaced on my Chevy Silverado?

NOV. 2007 dealership replaced ignition harness, and stalling continued. Dec. 2007 I replaced the battery and did a thourough cleaning of the battery terminals. Stalling continues and now more often when idling, warm or cold.

Why does my brake light work when I Turn on the turn signal?

For that to work, the brake wire runs to the turn indicator, so that when you turn on the flashing turn signal, it switches out the brake light signal for that side so that the two signals don’t collide. So don’t just check the brake light. Also check the turn signals.

What kind of brake light is not working?

The C/K line includes pickup trucks, medium-duty, and heavy trucks. Same issue . Driver’s side tail light brake light and turn signal not working . Passenger side is working no reverse lights that I know of . Bulbs seem good fuses seem good.

Where is the brake light switch on my car?

Fuse Box and Light Switch. You have to find the fuse box or the power distribution center (PDC). You will get the fuse panel under the dashboard and the PDC under the hood. The brake light switch is also to be found under the dashboard and check if its plunger touches the brake pedal arm.

I have a 1994 GMC Sierra C1500 2WD with 4.3l w/automatic. It was a fleet vehicle. Plain Jane accept for High Output Heater, Limited Slip Diff and Engine Block Heater. Brake lights were working intermittently. Would come on when pedal as first depressed then go out after pedal traveled down a bit. I put in a new switch and all was well for 3 months.

For that to work, the brake wire runs to the turn indicator, so that when you turn on the flashing turn signal, it switches out the brake light signal for that side so that the two signals don’t collide. So don’t just check the brake light. Also check the turn signals.

The C/K line includes pickup trucks, medium-duty, and heavy trucks. Same issue . Driver’s side tail light brake light and turn signal not working . Passenger side is working no reverse lights that I know of . Bulbs seem good fuses seem good.

What causes a turn signal to stop blinking?

Troubleshooting your turn signals isn’t tough. If your turn signals have stopped working, it’ll be doing one of these things: blinking rapidly, coming on without blinking, or nothing at all. The good news is that all of these symptoms point to two possible issues, a bad turn signal relay or a dead bulb.

What to do if your brake lights are not working?

Ok, changed out turn signal switch and still have no brake lights. Again, i changed the bulbs, replaced the brake switch, and replaced the turn signal switch. The parking lights work, the blinkers work, the back-up light works, and the hazzards work. But still no brake lights.

Where are the 3rd brake lights on a Chevy 1500?

The 3rd brake light is on a seperate circuit from the brake lights . Test for power at the brake switch.Orange is 1 and white is the other,they are next to each on the switch.If that checks out try fiddling with the hazards and turnsinals since the brake light power flow goes form the brake switch to the turnsignals.

Where do the brake lights go in a car?

The way those taillights work theres a white wire under dash on the column that white wire is for brake light. So the way the brake lights work they go through a relay and through blinker switch.

Are there brake lights on a GMC Sierra 1500?

1990 GMC Sierra 1500 4×4 No brake lights when headlight switch is activated. Also I have no reverse lights or tail lights. I’ve checked the wire harness at the tail end of the truck and I’ve got 12 v when headlights are off but when I turn them on it goes to 0.

Ok, changed out turn signal switch and still have no brake lights. Again, i changed the bulbs, replaced the brake switch, and replaced the turn signal switch. The parking lights work, the blinkers work, the back-up light works, and the hazzards work. But still no brake lights.

Why are the brake lights on my Chevy 1500 not working?

I have a 1994 Chevy 1500. Brake lights are not working. I replaced the bulbs and the brake light switch. All the other Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.

Why are the tail lights on my GMC Sierra 1500 not working?

If you pull the headlight switch out and visually inspect the plug itself you will probably find that the withe wire and the brown wire are discolored. (Due to its intermittent connection they heats up) The female connector on both of those wires have lost one side of the clip that slides on to the headlight switch.

Where are the brake lights on a C / K 1500?

There is a switch. I think on most C/K 1500/2500 it is on the brake pedal arm or the arm hits it. It is $5-$10; you might take ALL your truck data to the auto parts store, buy a new switch, then look for the same thing around the brake arm or under the hood. There’s a fuse. Find the fusebox and look for “brake”. The Owner’s Manual may have clues.

What makes the brake lights come on on a 1998 Silverado?

It does look like a bracket, that wraps around the brake pedal arm. When the brake pedal is pressed down it pushes the cylinder switch together which closes the circuit and makes you brake lights come on. Check your fuses as well as your wiring to the brake light housing. Also make sure that you have working bulbs and the right bulbs are inserted.

There is a switch. I think on most C/K 1500/2500 it is on the brake pedal arm or the arm hits it. It is $5-$10; you might take ALL your truck data to the auto parts store, buy a new switch, then look for the same thing around the brake arm or under the hood. There’s a fuse. Find the fusebox and look for “brake”. The Owner’s Manual may have clues.

The way those taillights work theres a white wire under dash on the column that white wire is for brake light. So the way the brake lights work they go through a relay and through blinker switch.

Are there no brake lights, no hazard lights?

All fuses check out ok. Push in hazard no noise no blinking lights. No brake lights either. Almost positive the stop circuit and hazard circuit are fed from the same fuse. If you have on or the other, it could be a flasher or brake switch, but it’s not.

Why is my brake light and turn signal not working?

@chevy88burban, Katelyn​ , Switch or replace the bulbs from one side to the other to ensure it is not the bulbs, check the bulb sockets for any corrosion/burnt/damaged contacts.

Are there any brake lights on my plow truck?

89 K1500 no brake lights, no hazard lights? Yesterday I lost the brake lights and hazard lights dont come on when hazard button pushed in to my ole plow truck. No clicking sounds from hazard like it used to. The turn signals still work and the both rear running lights still work. Where do I start looking? Thanks. Have you checked all the fuses?

What causes brake lights to go out but lower lights work?

If the plunger of the switch does not contact the pedal, check for an adjustment. In rare instances, the brake booster may fail, and the pedal will not rise enough to contact the switch. Pull up on the brake pedal and if the lights go out, switch mis-alignment or pedal position error is the likely cause.

Why does my brake light not flash when I Turn on the turn signal?

On this type system, the turn signals and brakes use the same circuit. When we use the turn signal switch, it cancels the brake light signal, on the side selected. If it did not, the lights would stay on and not flash. A bad turn-signal switch may interrupt the brake light circuit when it should not.

What to do when your brake lights are not working?

In the situation when brake lights are not working properly, you need to make sure that the power is going through and check the fuse. If the brakes lights are turned on at the same time as turn signal lights, you need to bring it to the mechanics for a check.

Why does my third brake light not work?

Jim, common problem. If your third brake light works either way but the rear brake lights stop working when the truck is on its a faulty ground wire to the stop lamp relay. Other things use that ground when the key is on so its not strong enough then to activate the armature within the relay.

Fuse Box and Light Switch. You have to find the fuse box or the power distribution center (PDC). You will get the fuse panel under the dashboard and the PDC under the hood. The brake light switch is also to be found under the dashboard and check if its plunger touches the brake pedal arm.

Are there any running lights on my GMC Yukon?

From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. I did some searching, but could not find what I need. I have an 04 GMC Yukon XL SLT (3/4 ton, 4×4, quadrasteer) and the DRL’s just do not work anymore.

Where is the fuse block on a GMC Sierra?

The fuse block access door is on the driver’s side edge of the instrument panel. Pull off the cover to access the fuse block. Instrument Cluster, DRL Relay, Lamp Switch, Keyless Entry, Low Coolant Module, Illuminated Entry Module, DRAC (Diesel Engine)

When does the Chevy running light come on?

A quick note about testing the Chevy daytime running light. They don’t light up when the truck is running in Park. However, if you set the parking brake they come on for testing purposes. In the working-class town that I live in we have an abundant amount of 10-year-old Chevrolet pickups running around.

Where is the daytime running lamp fuse located?

On most vehicles, it is directly behind the battery. Remove the cover from the fuse box located in the engine compartment. On the underside of the fuse box cover on Ford and Chevrolet vehicles there is a diagram depicting where each fuse is located within the fuse box. Locate the “DRL” or “Daytime Running Lamp” fuse.

The fuse block access door is on the driver’s side edge of the instrument panel. Pull off the cover to access the fuse block. Instrument Cluster, DRL Relay, Lamp Switch, Keyless Entry, Low Coolant Module, Illuminated Entry Module, DRAC (Diesel Engine)

Why are the brake lights on my 1996 Chevy Silverado not working?

Brake lights on 1996 C1500 stopped working, to include the above cab light as well. Checked and I have no power to the lights (removed left brake light housing and checked continuity). I’ve checked all the fuses. The #1 location 20amp fuse for aux/haz keeps blowing. If I put in a new fuze and turn on the hazard lights it blows.

What kind of brake lights are not working?

I have a 1994 Chevy 1500. Brake lights are not working. I… i have a 1994 Chevy… i have a 1994 Chevy 1500. Brake lights are not working. I replaced the bulbs and the brake light switch.

The 3rd brake light is on a seperate circuit from the brake lights . Test for power at the brake switch.Orange is 1 and white is the other,they are next to each on the switch.If that checks out try fiddling with the hazards and turnsinals since the brake light power flow goes form the brake switch to the turnsignals.

Why are rear lights not working but brake lights are?

If the rear light lights up correctly but does not become bright when the brake is applied then the switch of the brake is faulty. This circuit is connected with the brake pedal – if the switch is out of place or connected incorrectly then the pedal may not be able to complete the circuit correctly.

Where are the brake lights on my car?

You will get the fuse panel under the dashboard and the PDC under the hood. The brake light switch is also to be found under the dashboard and check if its plunger touches the brake pedal arm. Any problem with the fuse box and light switch will affect the brake lights.

Where are the brake lights on a Chevy C / K 1500?

There is a break light relay I think down under drivers side, or under the hood in the fuse box. Blinkers are working so the circuit is good. 32 people found this helpful. Thanks Rowefast, it was the brake light relay.

Why are my brake lights not working after replacing the switch?

Brake lights still not working after I replaced brake switch. Running lights,blinkers,reverse all work. Fuses in panel good,bulbs good, what else can I check? There is a break light relay I think down under drivers side, or under the hood in the fuse box. Blinkers are working so the circuit is good. 32 people found this helpful.

You will get the fuse panel under the dashboard and the PDC under the hood. The brake light switch is also to be found under the dashboard and check if its plunger touches the brake pedal arm. Any problem with the fuse box and light switch will affect the brake lights.

Why are the tail lights red and the brake lights red?

In most automobiles, the taillights are red while the brake lights are a brighter, more luminous red. The rear lights are controlled by the same switch as the headlights. The power flows through a relay to the rear lights when the switch is turned on.

Why are the brake lights not working but the tail lights are?

Blown out light bulbs are the most common reason for why the brake lights not working but the tail lights are. Remove the screws from the bulb lens (which you can access through the trunk or see your vehicle repair manual to get the exact location). Push the bulbs and turn them counterclockwise to remove from the socket.

Jim, common problem. If your third brake light works either way but the rear brake lights stop working when the truck is on its a faulty ground wire to the stop lamp relay. Other things use that ground when the key is on so its not strong enough then to activate the armature within the relay.

Blown out light bulbs are the most common reason for why the brake lights not working but the tail lights are. Remove the screws from the bulb lens (which you can access through the trunk or see your vehicle repair manual to get the exact location). Push the bulbs and turn them counterclockwise to remove from the socket.

Solder and shrink tube the new wire to these pigtails and give it a test. If you are unsure of the wire color associated with brake light function, you can access wiring diagrams online, but be warned, chev/gm have been known to change color codes from time to time.

Why are the brake lights on my Chevy not working?

All the other lights work and I should also mention the brake light on the cab is working, the ones in the housing with the reverse light and blinker are the brake lights not working. every light is working, the turn signals, the back-up lights, the tail lights. The only thing not working is the brake lights.

What to do if there are no brake lights?

Cut repair costs, not quality. Here is some info for you. Fuse No.1 is for your brake lights and your hazard lights. If no lights after fuse, if found blown, is replaced check your light globes. If nothing works check that the fuse hasn’t blown again. Fuse 16 is for the turn lights.

There is a break light relay I think down under drivers side, or under the hood in the fuse box. Blinkers are working so the circuit is good. 32 people found this helpful. Thanks Rowefast, it was the brake light relay.

Brake lights still not working after I replaced brake switch. Running lights,blinkers,reverse all work. Fuses in panel good,bulbs good, what else can I check? There is a break light relay I think down under drivers side, or under the hood in the fuse box. Blinkers are working so the circuit is good. 32 people found this helpful.

How do you turn on the brake light on a Chevy Silverado?

Back probe the switch terminals with a test light. Only one of the switch terminals should turn on the test light. When you depress the brake pedal, both switch terminals should turn on the test light. If only one of the wires turns on the test light, unplug the switch and jump the two connections at the connector.

What happens when your brake lights are not working?

While the brake light switch is connected to the brake pedal which comes on when the pedal is pressed. When the tail lights fail or do not function properly the car becomes a danger or hazard to self and others on the road. You may receive a ticket or citation from the traffic police. The Causes Why Tail Lights Not Working

How are the rear lights and brake lights connected?

The rear lights are controlled by the same switch as the headlights. The power flows through a relay to the rear lights when the switch is turned on. While the brake light switch is connected to the brake pedal which comes on when the pedal is pressed.

Where is the brake light switch on a Chevy Silverado?

The brake light switch is on the top of the brake pedal. Use a test light to see if you have power on both sides once the pedal is depressed (orange wire) Here are guides to help you get the job done. Here is a wiring diagram to help (below) Please let us know what you find. helpful?

I have a 1994 Chevy 1500. Brake lights are not working. I… i have a 1994 Chevy… i have a 1994 Chevy 1500. Brake lights are not working. I replaced the bulbs and the brake light switch.

What are the brake lights on a GMC Sierra?

Customizing your GMC Sierra’s lights gives your truck some highly visible individuality, since it’s hard to overlook a non-standard light – and 1999-2018 third brake lights are no exception.

If the rear light lights up correctly but does not become bright when the brake is applied then the switch of the brake is faulty. This circuit is connected with the brake pedal – if the switch is out of place or connected incorrectly then the pedal may not be able to complete the circuit correctly.

What kind of brake lights do I need for my Silverado?

Description: Sedan, #1. Sedan, #2. Coupe, pull handle. With CTS V, type 2. Without CTS V. pull handle. Notes: 292. Description: Passenger side. Description: Yukon XL. Escalade ESV, warm white. Description: Door pocket. Upper components. Notes: 42. Description: Add an extra element of convenience to your Silverado with Perimeter Bed Lighting.

What are the components of a GM brake light?

With v-series. Notes: 60. Description: Upper components. Description: Type 1. Pull handle. Inside handle. Double & crew cab. Lower components. Upper console components. Regular cab, with power windows. More Info Notes: 726. Description: Secondary pocket. Description: Type 2. Description: Type 2. Description: Passenger side.

Where is the fuse on the brake light?

You will get the fuse panel under the dashboard and the PDC under the hood. The brake light switch is also to be found under the dashboard and check if its plunger touches the brake pedal arm. Any problem with the fuse box and light switch will affect the brake lights. In case if the fuse is blown, change it with a new one.

Why is my brake light switch not working?

If the switch checks ok for power in and out, then there could be a ground concern; corrosion or open circuit. If power is not present at the brake switch and the fuse has power on both sides, then there may be a broken wire from the fuse to the switch.

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