1987 Chevy Monte Carlo door locks

Tiny
KYLEC1
  • MEMBER
  • 1987 CHEVROLET MONTE CARLO
1987 Chevy Monte Carlo V8

I have an 87 monte carlo ss. The power door locks quit working. I replace the power door lock relay, but still had the same problem. Every time I hit the lock or unlock button all I hear is the relay clicking but the doors don't lock or unlock.
Monday, August 2nd, 2010 AT 4:00 PM

1 Reply

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
First of all thank you so much for your donation.I emailed you the trouble tree for door lock relay click's but door lock's are inop.I also emailed you the wire diagram for your door lock relay's. It say's to check the light blue and the black wire's from switch to the relay. Mean using a ohm's meter make sure both those wire's have less then 2 ohms from one end of the wire to the other end.I also want you to test the tan wire coming off the relay for power when you push unlock on the door lock switch. Also on the gray wire coming off the relay I want you to check for power when pushing lock on the door lock switch. Let me know what you find.
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Monday, August 2nd, 2010 AT 4:34 PM

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