Ok this is my problem...on my 87 camaro since i got it i cant get the locks to work right..when i hit the buttons on either side nothing happens at all..i checked with a power light inside the car in the lower left hand corner and its power is going thru the black wire but for some reason it makes a clicking sound when i have the light tester there but when i take it off nothing happens i already checked the little motor in the doop pannel and when i put 12 volts to it it works im stumped i dunno what to look for any help would be great thanks.

 

check the fuse???

 

I did checked all the fuses...i tried replacing the switches and still nothing at all...so im stuck i have a parts car and am trying to trace wiring but everything goes back to what i already checked..

 

Check the door relay.

Do you hear it when you actuate the switches?

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where is that exactly?? is it the little motors behind doors that move them....i know those are good cause they worked for a little while but they stopped and could not get them to work at all....

 

The relay should be located behind the left shroud near the door grommet.

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o yeah i checked it but when i just push the lock or unlock button nothing happens..but when i put the light tester to it when i push it it is getting power..

 

If you haven’t done this yet:

On the door relay, connect the test light from ground to pin A (LIGHT-BLUE wire) and press the left lock button.

Do you have power on pin A when you are pressing the button?

If the answer is yes, and the relay does not click when you are pressing and releasing the button, replace the relay.

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i dont want to sound dumb..but the relay is what those 2 connectors connect too..i switched those out with another one and nothing still either..the test lights up when i hit lock but when i hit unlock it barely turns on like if its not getting full power.

 

The relay is the device located behind the left shroud near the door grommet.

It should look similar to this:



So if you have power on pin A when you are pressing the button, you know the left lock button is OK.

Quote:

Originally Posted by I_R_O_C_Z_2_8

when i hit unlock it barely turns on like if its not getting full power.

That’s OK.

If you put your test light on pin F

 

yes i hear a little like zap..but only when i got the test light on it when i take it off i hear nothing from it.

 

That means the test light is completing a circuit.

You might have an open ground.

You’ll need an ohmmeter to make progress on the repair.

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would u happen to know where the grounds are to the door locks?

 

The grounds for the system are under the rear of the console, and under the seat.

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when i got the ohmmeter what am i looking for?

 

To check the relay ground touch one probe to terminal D (the THICKER black wire).

Touch the other probe to ground (it can be any ground in the car because all grounds connect to each other).

If terminal D is properly grounded the ohmmeter will read about an ohm or less.

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Happy Racing!