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).