Well, looks like this is something I gotta try. I just hope my electronics/wiring skills haven't died out on me.
We replaced both the PCM and BCM and ran great for over 30 miles after restarting the car a few times after stopping at our destination. Then, bam, headlights blinking (my indicator, LOL), start then stop after 3 seconds.
Anyone got a simple wiring diagram/picture that could show what needs to be wired etc?
PS, is this gauranteed to work? LOL, we are at our wits end fighting this auto shut down. I can go out to my car right now (er...when I get home from work), and as soon as I turn the key on the headlights will start flashing.
Last edited by MrBigglesworth; 02-16-2004 at 01:29 PM..
Looking at the diagrams that hypnos provided, I see that Pin 3 goes to the "Door Key Cycle Switch"
Shouldn't the alarm have been disarmed if we used the master key on the driver side door to lock/unlock a few times? Or is it possible that circuit could be open, thus training the PCM and BCM to think something is wrong and triggering the alarm? And grounding Pin 3 or setting to a switch should solve the issue?
This has to be it! The Father In Law, cannot remember if it came with a factory alarm, but, if we replaced it with BCM and PCM that came from a car that did, this would make sense. I bet this works now.
Make damn sure that whatever you do you secure your connection. We had to change something out the other day and the BCM didn't have a good connection to Pin 3 last night, took me an hour, plus bumming a friends car to the toolshop down the street since I didn't have any with me at work, but I was able to get Pin 3 reconnected to ground.