DIRECTWIRE™ WIRING INFORMATION - CHEVROLET / BLAZER / 2004 / Security
12volts RED / white (50A), red (40A) + ignition harness
Starter yellow + ignition harness
Ignition pink + ignition harness
Power Lock lt. blue + BCM, brown plug, pin A4
Notes: The BCM is in the center console, below the radio.
Power Unlock white + BCM, brown plug, pin A3
Notes: The BCM is in the center console, below the radio.
To unlock just the driver door, use lt. green (-) at the BCM, lt. blue plug, pin A4.
Lock Motor gray 5wi relay block next to fuse block
Unlock Motor tan 5wi relay block next to fuse block
Disarm Defeat tan 5wi relay block next to fuse block
Parking Lights+ brown + BCM, lt. blue plug, pin B6
Notes: The BCM is in the center console, below the radio.
Parking Lights- white - BCM, lt. blue plug, pin A5
Notes: The BCM is in the center console, below the radio.
This wire will not test when using the headlight switch. This wire is triggered by the DRL system. To meter the wire, start the car with the parking brake set, when the brake is released this wire will go to ground.
Hazards same as turn signal wires
Turn Signal(L) lt. blue/wht (F), yel/blk (R) + turn signal switch
Turn Signal(R) dk blu/wht (F), dk grn/wht (R) + turn signal switch
Door Trigger see notes - BCM
Notes: The driver door is tan in the purple plug, pin B4, the passenger door is orange in the purple plug, pin B2, and the rear doors are dk. blue/white in the lt. blue plug, pin B11. Use all three wires and diode isolate each.
The BCM is in the center console, below the radio.
Dome Supervision gray/black - BCM, lt. blue plug, pin A3
Notes: The BCM is in the center console, below the radio.
Trunk/Hatch Pin pink/black (liftglass pin) - BCM, lt. blue plug, pin B10
Notes: The BCM is in the center console, below the radio.
Hood Pin N/A
Trunk/Hatch Release black - switch or BCM, purple plug, pin B1
Notes: The BCM is in the center console, below the radio.
Power Sliding Door N/A
Factory Alarm Arm arms on lock with door open
Factory Alarm Disarm lt. green - BCM, purple plug, pin B3
Notes: The BCM is in the center console, below the radio.
Disarm No Unlock see factory alarm disarm
Tachometer white ac PCM, green plug, pin 10
Notes: The PCM is on the passenger side fender.
Horn Trigger black - switch or BCM, brown plug, pin A9
Notes: The BCM is in the center console, below the radio.
The horn trigger wire is available at the BCM only on vehicles with factory alarm.
Memory Seat 1 white - memory seat switch on seat
Memory Seat 2 purple - memory seat switch on seat
Memory Seat 3 N/A -
Immobilizer Bypass Module: Required: Yes Type: Passlock 2 Part #: 457G, 555L, or 555T
Notes: The Passlock 2 wire colors are yellow, ORANGE / black, and RED / white (not used).
This wiring information is being provided free of charge on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it using a digital multimeter.
Directed electronics, Inc. assumes no responsibility with regards to the accuracy or currency of this information. Proper installation in every case is and remains the responsibility of the installer. DEI assumes no liability or responsibility resulting from improper installation, even in reliance upon this information.
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