What does an exciter wire do on an alternator?
The exciter wire is used to turn on the voltage regulator. This wire, when unplugged, should have approx. 12.5 volts with the key on. If it does not then the alternator will not work.
What happens when an alternator Exciter is not working?
If the exciter wire is disconnected or not working properly, it will not transmit voltage to the alternator, and as a result, the alternator will not generate enough power to operate accessories.
How to know if your alternator is charging or not?
This is the large charge wire that electricity flows from the Gen/Alt to the 140amp fuse in the PDC and onto the battery. This is the large wire on the large stud on your Gen/Alt and you should have battery voltage or alternator output voltage on this stud. Check the fuse if you don’t, or wires associated with that circuit. 2.
Do you need an ignition wire for a self exciting alternator?
How to solve Alternator Wiring Problems. The Self-Exciting alternator is an alternator that has a special voltage regulator that doesn’t need an ignition wire to activate it.This is usually based on a chevy alternator type and only requires a battery wire connected to the battery terminal.
What causes a car alternator to stop working?
The alternator will stop working the moment your belt wears out and breaks or the pulley becomes damaged. These items are easy to replace. 3. Faulty fuse Fuses blow up due to a power surge or they wear out. When this happens, current will stop flowing to the alternator.
If the exciter wire is disconnected or not working properly, it will not transmit voltage to the alternator, and as a result, the alternator will not generate enough power to operate accessories.
How to fix a wiring problem with an alternator?
How to solve Alternator Wiring Problems 1 Self-Exciting Alternator makes no need for Alternator Wiring Diagram. 2 One-wire Alternator: Is another name for the Self-Exciting Alternator mentioned above. 3 Two-wire Alternator: Most standard and all self-exciting regulator alternators will work using the two wire setup.
How to solve Alternator Wiring Problems. The Self-Exciting alternator is an alternator that has a special voltage regulator that doesn’t need an ignition wire to activate it.This is usually based on a chevy alternator type and only requires a battery wire connected to the battery terminal.
Why does my alternator not shut off with the key?
Had the same problem in an OT car with newer Delco alternator. Turned out the the charging light wasn’t working due to a bad connection (oxide) at the bulb. Fixed that and I could shut off the engine with the key again… instead of pulling the ignition wire from the coil.