Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Hello and welcome!My name isCustomerand I can assist you with your question.
How much voltage do you get down at the starter with the key in the CRANK position?
Ok, no problem. Take your time..
On both the BIG and SMALL wire going to the starter?
The small wire going to the starter should get battery voltage on it with the key in the CRANK position. If not, this is the problem.
Are you sure?
If so, then I would check to ensure that the engine is not locked up.
Oh, so the small wire does not have power..
Are there any anti theft or security lights on or flashing on the cluster?
Ok, are there any codes in the computer?
Ok, you will need to check the starter relay and circuit to find out why there is no power down at the starter.
The starter relay gets two powers and one ground with the key in the CRANK position.
Here is a wiring diagram.
I am sorry sir, but I dont understand your reply.
What is the relay missing? Power or ground?
So does the relay click or not when you turn the key to the CRANK position?
Well, if the small wire at the starter is not getting battery voltage, then the starter cannot activate.
Verify that you do or do not have power going to the starter on the small wire.
Ok, then you check for power leaving the starter relay with the key in the CRANK position.
Because the wiring diagram I sent does not have the pins numbered, I dont know which ones are which. The only way to know this is to look at the wiring going to the back of the relay and matching them up to what you have on your vehicle.
The engine should crank if you jumper power to the purple wire leaving the relay.
So your not getting power to the BIG terminal at the starter?
Or your saying the solenoid?
It sounds like you might have an open or a break in that purple wire from the relay to the starter.
Ok, yes, so the small purple wire is not getting power..
So if you supply power directly to pin 4 of the relay (purple wire), then the engine should crank.
If not, then you have an open or a break in the wiring from the relay to the starter.
Right, thats because the starter is not getting power.
So you need to either fix the purple wire going to the starter or simply run a new wire from the relay to the starter and you will be good to go!!
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