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2005 Trailblazer alarm wiring

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=58522
Printed Date: April 18, 2024 at 10:39 PM


Topic: 2005 Trailblazer alarm wiring

Posted By: desertrider
Subject: 2005 Trailblazer alarm wiring
Date Posted: June 28, 2005 at 6:08 PM

Does anyone have an alarm wiring diagram for a 2005 Trailblazer without factory keyless entry.

Thanks,

Mike




Replies:

Posted By: chungo
Date Posted: June 28, 2005 at 7:28 PM
CHEVROLET / TRAILBLAZER / 2005 / Remote Start

[PRINT THIS PAGE]

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 457G or 455G module    
Notes: If Directed module 457G or 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  -  hazard switch
Turn Signal(L) dk. green  +  turn signal switch
Turn Signal(R) lt. green  +  turn signal switch
Reverse Light lt. green  +  fuse box under left rear seat
Door Trigger use dome supervision wire  -  see notes
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 gray/black  +  fuse box under left rear seat
Trunk/Hatch Pin use dome supervision 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 457G or 455G    
Factory Alarm Disarm disarms with 457G or 455G    
Disarm No Unlock lt. green (if no 457G or 455G) -  driver door module in door
Tachometer white  ac  cluster or PCM/ECM, blue plug
Notes: 4.2L: The PCM is attached to the driver side of the engine. Tach is in pin 49.

5.3L: The ECM is near the lower front driver side of the engine. Tach is in pin 48.

Can also go to any fuel injector and use the wire that is NOT pink.
Wait to start N/A    
Brake Wire white  +  brake pedal switch
Parking Brake lt. blue  -  switch or fuse box under LR seat
Horn Trigger BLACK / YELLOW to black  -  switch 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  +  
posted_image
Interface Module:Category:
Immobilizer Bypass
Required:
Yes
Type:
Passlock II
Part #: 555LW
Alternate Part1 #: 555T
Notes: Not required if using the combo interface module.
The Passlock II wire colors are yellow, ORANGE / black (to black), and RED / white (not used).
Standard on all models.
Interface Module:Category:
Door Lock Interface
Required:
Yes
Type:
Data Bus
Part #: 455G
Notes: Not required if using the combo interface module.
Interface Module:Category:
Combo Interface
Required:
Yes
Type:
Data Bus
Part #: 457GW
Notes:





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