Info: abs,traction, brake, service traction lights on
#22
I have ordered a rebuilt BCM that comes preprogrammed. I should have it in about a week or so. I also got my old ABS module back. I plan to reinstall it and see if the codes are the same as I have with the junk yard ABS. I'll let you know where I am after I get the BCM installed.
#23
Well things are still not working. I put in the new BCM and my instruments are working but I have a security light that will not go out. I got them to send me another BCM and it is doing the same thing. So now I have put my original BCM back in and the instruments are working, no security light, but still have the same 4 brake lights. I am still talking to the people where I purchased the BCM but I have little hope there. I am about ready to take it to the dealer. Does anyone have a wiring drawing for the brake system? My Haynes manual does not have it.
#24
Join Date: Apr 2010
Location: Mentor, Ohio
Posts: 12,236
Below are all the schematics I can find for the brake system.
Data Link, Ground, MIL, Power:
Wheel Speed Sensors:
PCM and Stop Lamp Switch:
Traction control switch:
Data Link, Ground, MIL, Power:
Wheel Speed Sensors:
PCM and Stop Lamp Switch:
Traction control switch:
#25
Thanks, but none of them came through. I'm ok now with the schematics. I got some from the people I purchased the BCM from. I hope to get into it more this week but I am not overly hopeful from what I can see on the schematics.
#26
Join Date: Apr 2010
Location: Mentor, Ohio
Posts: 12,236
So strange, the pics showed up last night when I posted them and now gone. But since you said you got what you need, I will not try to re-post. I hope this gets solved. I know you have been at this for a while.
#27
Well the Monte has been repaired I am told. Amazing what can happen when you take it to someone who knows what they are doing. I got lucky and found a man who just retired that is a Chevy mechanic and now works out of his home. The problem was that the ground wire "G151" located under the air box corroded and that messed up something which in turn caused all my lights to come on. Thanks for all of your help. We tried but in the end I had to take it to someone who had more knowledge. Thanks again for trying to help me.
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