2005 Chevy Trailblazer?

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URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=39668
Printed Date: May 01, 2025 at 10:31 AM

Topic: 2005 Chevy Trailblazer?

Posted By: zerordawg
Subject: 2005 Chevy Trailblazer?
Date Posted: September 24, 2004 at 9:50 AM

Does anyone out there know if the 2005 TrailBlazers are the same wiring and the same general layout (Body Style, Interior, Paneling, etc.) as the 2004 TrailBlazer?....please email me @ darkunrealmatrix@hotmail.com with info. Thank you all

Replies:

Posted By: Teken
Date Posted: September 26, 2004 at 8:52 PM

DIRECTWIRE™ WIRING INFORMATION - CHEVROLET / TRAILBLAZER / 2004 / Remote Start

12volts red (40A), RED / white (40A)   +   ignition harness
Starter yellow   +   ignition harness
Second Starter N/A
Ignition pink   +   ignition harness
Second Ignition white   +   ignition harness
Third Ignition N/A
Accessory orange   +   ignition harness
Second Accessory brown   +   ignition harness
Keysense lt. green   -   ign harn or BCM, tan plug, pin E3
Notes: The BCM is attached to the fuse box under the left rear seat.
Power Lock use Directed module 455G
Notes: If Directed module 455G is not available, refer to DirectFax document 1053.
Power Unlock see power lock
Lock Motor gray   5wi driver door module in door
Unlock Motor tan   5wi driver door module in door
Parking Lights+ brown   +   fuse box under left rear seat
Parking Lights- gray/black   -   switch or BCM, tan plug, pin E5
Notes: The BCM is attached to the fuse box under the left rear seat.
Hazards white   -   steering column
Turn Signal(L) dk. green   +   steering column
Turn Signal(R) lt. green   +   steering column
Reverse Light lt. green   +   fuse box under left rear seat
Door Trigger gray/black   +   fuse box under left rear seat
Notes: To avoid dome light delay, use the separate door trigger wires. The LF door is gray/black (-) at the driver door module in the door. The RF door is BLACK/ white (-) at the passenger door module in the door. The LR door is lt. blue/black (-), and the RR door is lt. GREEN/ black (-). The rear door trigger wires are at the fuse box under the left rear seat. Use all four wires and diode isolate each.
Dome Supervision comes on with disarm
Trunk/Hatch Pin common with door trigger wire
Notes: To avoid dome light delay, use the separate trigger wires at the liftgate module in the liftgate. The liftgate is pink/black (-), and the glass hatch is purple (-). Use both wires and diode isolate each.
Hood Pin pink/black (export only)   -   switch or BCM, tan plug, pin E6
Notes: The BCM is attached to the fuse box under the left rear seat.
Trunk/Hatch Release N/A
Power Sliding Door N/A
Factory Alarm Arm arms with 455G
Factory Alarm Disarm disarms with 455G
Disarm No Unlock lt. green (if no 455G)   -   driver door module in door
Tachometer white   ac   PCM
Notes: 4.2L: The PCM is attached to the driver side of the engine. Tach is in the blue plug, pin 49.

5.3L: The PCM is near the lower front driver side of the engine. Tach is in the green plug, pin 10.
Wait to start N/A
Brake Wire white   +   brake pedal switch
Parking Brake lt. blue   -   switch or BCM, blk plug, pin A4
Notes: The BCM is attached to the fuse box under the left rear seat.
Horn Trigger BLACK / YELLOW to black   -   column or BCM, tan plug, pin E12
Notes: The BCM is attached to the fuse box under the left rear seat.
Memory Seat 1 white   +   driver door module in door
Memory Seat 2 purple   +   driver door module in door
Memory Seat 3 N/A   +
Immobilizer Bypass Module: Required: Yes Type: Passlock 2 Part #: 555L or 555T
Notes: The Passlock 2 wire colors are yellow, ORANGE / black (to black), and RED / white (not used).

Simply compare this wiring guide to the 2005. It should become apparent if it is, or not.

At the end of the day, this is simply a starting point, it is not intended for a replacement of actual testing with a DMM.

Regards

EVIL Teken . . .

Posted By: Teken
Date Posted: September 26, 2004 at 8:53 PM