2004 chevy exspress

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drtoofast

Member - Posts: 12

Joined: June 01, 2004

Location: United States

Posted: February 23, 2005 at 5:25 AM / IP Logged

could someone please post a wire diagram for a 2004 chevy exspress [no power locks or windows] for a alarm/remote start..I am having conflicting reports on door triggers,brake wire and parking light flash.

thanks very much

If it too fast your Too old...

boomer_106

Silver - Posts: 710

Joined: November 25, 2003

Location: United States

Posted: February 23, 2005 at 8:09 AM / IP Logged

Chevrolet

Express

2003-2004

Remote Starter Wiring Colors and Notes
Function	Vehicle Color	Location
Start:	Yellow (+)	Ignition switch harness
Ignition #1:	Pink (+)	Ignition switch harness*
Ignition #2:	White (+)	Ignition switch harness
Ignition #3:	N/A	Ignition switch harness
Accessory:	Orange (+)	Ignition switch harness
Brake Light:	White (+)	Brake pedal switch
Tach Signal:	White or Purple (AC)	Green plug at the PCM**
Parking Lights:	Brown (+)	Fuse box under driver seat
Headlights:	N/A
Diesel Glow Plug:	N/A
Clutch Bypass Wire:	N/A
Notes:	This vehicle is equipped with GM's Passlock II Anti-Theft Security System. Use Universal Alarm Bypass Module part # 2x402 where X can be any number. *The Powertrain Control Module (PCM) is on the driver side fender.

Chevrolet

Express

2003-2004

Alarm and Keyless Entry Wiring Colors and Notes
Function	Vehicle Color	Location
Constant +12 Volts:	RED / Black (x2) (+)	Ignition switch harness
OEM Alarm Disarm:	N/A
Dome Lights/Superv:	Gray/Black or Dk.Blue/White (+)	Black plug at BCM***
OEM Horn:	Tan (-)	Gray plug at BCM***
Power Lock:	Lt.BLue (-)	Blue plug at BCM***
Power Unlock:	White (-)	Blue plug at BCM***
Trunk Release:	N/A
Alarm Input Wire:	Gray/Black or Dk.Blue/White (+)	Black plug at BCM***
Notes:	***The Body Control Module (BCM) is under the passenger side dash, behind the knee bolster.

Velocity Motors

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Joined: March 08, 2002

Location: Manitoba, Canada

Posted: February 23, 2005 at 10:21 AM / IP Logged

For the door trigger's there are 3 different wires that trigger the doors, cargo doors & rear doors. Diode isolate the front doors & the side doors & use the trunk trigger for the rear door. The parking light you should use the (-) parking light wire at the switch ( easier to get to ) and the brake wire you can access at the switch. I never went into the BCM or the PCM for anything. You can access all the necessary wires without having to run wires from the passengerside or from under the seat.

Jeff

Velocity Custom Home Theater

Mobile Audio/Video Specialist

Morden, Manitoba CANADA

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Disclaimer: *All information on this site ( the12volt.com ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.

2004 chevy exspress

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