1995 camaro z28 door locks

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dvaldez0989

Copper - Posts: 98

Joined: June 11, 2009

Location: Texas, United States

Posted: June 16, 2009 at 3:49 PM / IP Logged

I have a 1995 camaro z28. door locks work fine for a good while. after being off for about thirty minutes the car will not lock/unlock anymore. it will disarm but does not unlock the doors. i am runing the prestige aps997a. i know there is 12 volts constant at all times because the trunk release still works. any advice??

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sparkie

Platinum - Posts: 2,061

Joined: November 06, 2003

Location: Canada

Posted: June 16, 2009 at 4:06 PM / IP Logged

The BCM goes to sleep after a while on this car and won't allow the door locks to work. You need to pulse the gray/black door pin wire at the BCM (passenger kick panel) to wake the BCM up and allow the locks to work.

sparky

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dvaldez0989

Copper - Posts: 98

Joined: June 11, 2009

Location: Texas, United States

Posted: June 16, 2009 at 4:08 PM / IP Logged

should i just pulse it from the unlock wire off the alarm

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sparkie

Platinum - Posts: 2,061

Joined: November 06, 2003

Location: Canada

Posted: June 16, 2009 at 8:34 PM / IP Logged

That should work, but you must diode isolate the two circuits. The bands on the diodes must face the remote starter. It may be necessary to program the system for a double unlock pulse to make it work.

sparky

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dvaldez0989

Copper - Posts: 98

Joined: June 11, 2009

Location: Texas, United States

Posted: June 17, 2009 at 8:54 AM / IP Logged

can someone please give me an idea on what wire to look for on the alarm to send a pulse to wake up the bcm

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sparkie

Platinum - Posts: 2,061

Joined: November 06, 2003

Location: Canada

Posted: June 17, 2009 at 6:07 PM / IP Logged

The door lock harness is a three wire one with a green, red and RED / black wire in it. The green wire pulses to ground when the remote is used for unlock. Use this wire with a diode to pulse the doorpin wire. Depending on how your door locks are hooked up, this may be the same wire that triggers the relay for unlock. It too must get a diode to isolate the 2 circuits from one another.

sparky

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1995 camaro z28 door locks

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