wiring problems
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=3993
Printed Date: May 15, 2025 at 11:19 AM
Topic: wiring problems
Posted By: diabloed
Subject: wiring problems
Date Posted: September 27, 2002 at 1:43 AM
ok just to make sure i am not just going blind here. on a 2000 chevy impala i am trying to locate the orange or brown acc. wire that is from the ignition but with no avail i can't find it. any suggestions? one other question. | Door Lock | ORANGE / Black (-) | 480 Ohm Resistor | | Door Unlock | same Wire | BCM under Driver's Dash (Negative to Unlock) |
so all i should need to do is put a 480 ohm resistor on the lock side and nothing on the unlock side and tie them both into the same ORANGE / Black wire?
Replies:
Posted By: Velocity Motors
Date Posted: September 27, 2002 at 8:34 AM
- The wires you want for the main connection are located in the ignition harness which is located at the far right of the steering column, behind the ignition switch.
- Lock and unlock use the same wire. Lock requires a negative trigger with a 470 ohm resistor in-line. Unlock is negative trigger. Must use relays. The wire is located at a gray 24-pin plug @ BCM.
- The BCM is located above the brake pedal. It is a plastic box with three plugs that face the firewall.
------------- Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: diabloed
Date Posted: September 27, 2002 at 10:18 AM
ok, when i search in the bundle of wires that run up into the steering column ( also attached is the air bag wires) the only wire that comes close to matching is a small gauge brown w/ white tracer, which doesn't meet the criteria.
Posted By: diabloed
Date Posted: September 27, 2002 at 10:36 AM
ok let me know if i confuse anyone. the installation book for the alarm states that on the door lock connector has 3 wires green, red, blue. it says that green puts out a (-) Lock, (+) Unlock, red is 12v (+) output "not used" and blue is (-) Unlock, (+) Lock. The door locks on the car are (-) which way do i need to hook up the relays and do i need to use diodes?
Posted By: Velocity Motors
Date Posted: September 27, 2002 at 10:47 AM
- ORANGE / BLACK on Impala -------BLUE wire on alarm unit
- ORANGE / BLACK on Impala -------GREEN wire on alarm unit with a 470 ohm resistor in-line
- ----------------------RED wire on alarm not used because the Impala uses a (-) type A door lock system.
- No relay is required for this if you Diode Isolate One Wire With The Band Facing Towards The Alarm/Remote Start Module
------------- Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: diabloed
Date Posted: September 27, 2002 at 11:11 AM
i appologize for repeating myself. but you never can be to sure. put resistor and diode on the green wire nothing on the blue wire connect both wires to the ORANGE / black
Posted By: Velocity Motors
Date Posted: September 27, 2002 at 11:15 AM
Green wire requires the the resistor but the diode can be on either wire. Put the diode on the BLUE and connect both wires to the same ORANGE / BLACK wire. You got it !! Post your results
-------------
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: diabloed
Date Posted: September 27, 2002 at 11:22 AM
once again Jeff you have been an awesome help. i'll tell you i am on like 6 forum for various things and you give the fastest most reliable answers out there. i should get it done this weekend and i'll let you know.
Posted By: Velocity Motors
Date Posted: September 27, 2002 at 11:31 AM
Awesome and thanks for the praise. IF you run into problems you know where to post  ------------- Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: NONONO333
Date Posted: October 04, 2002 at 1:29 AM
i've done a few of these using audiovox brand alarms. ive used 560ohm on lock ( - ) and diode facing alarm brain on the lock ( - ) of the alarm. ------------- STEVE P.
|