Malibu Classic wiring
Item Wire Color Polarity Wire Location
12 Volts red + ignition harness
Remove the radio, without unplugging it, to access the ignition harness.
Second 12 Volts
Starter yellow + ignition harness
Remove the radio, without unplugging it, to access the ignition harness.
Second Starter N/A
Ignition pink + ignition harness
Remove the radio, without unplugging it, to access the ignition harness.
Second Ignition dk. green + ignition harness
Remove the radio, without unplugging it, to access the ignition harness.
Third Ignition N/A
Accessory orange + ignition harness
Remove the radio, without unplugging it, to access the ignition harness.
Second Accessory brown + ignition harness
Remove the radio, without unplugging it, to access the ignition harness.
Third Accessory N/A
Keysense
Data Bus yellow (resistor code), black (ground) Passlock 2 Passlock sensor on ignition key cylinder
Can Bus High
Can Bus Low
Can Bus Sw purple data data link connector under driver dash, pin 2
Power Lock white - driver kick, door harness
Lock requires a negative trigger, and unlock requires a negative trigger thru a 1,500 ohm resistor. MUST use relays. Must close doors to lock with a single pulse.
Power Unlock same wire as power lock
Lock Motor gray 5wi driver kick, door harness
Driver Unlock Motor tan 5wi driver kick, door harness
Parking Lights (-)
Parking Lights (+) brown + passenger kick or column
Hazards
Turn Signal (Left)
Turn Signal (Right)
Headlight dk. blue & pink - steering column
Requires high current ground. MUST use relays.
AutoLights
Reverse Light
Left Front Door Trigger lt. GREEN/ black & lt. blue -
The lt. GREEN/ black is located in the driver kick and catches only the driver door. The lt. blue is located in the harness coming from the driver running board going under the driver seat and it catches all other doors. Use both door trigger wires and diode isolate each.
Right Front Door Trigger
Left Rear Door Trigger
Right Rear Door Trigger
Dome Supervision white - dash light or column
Trunk/Hatch Pin ORANGE / black - light in trunk
Rear Glass Pin
Hood Pin
Trunk/Hatch Release BLACK/ white + driver kick panel
Trunk Release Motor
Fuel Door Release
Power Sliding Door (Left) N/A
Power Sliding Door (Right)
Factory Alarm Arm
Factory Alarm Disarm
Disarm No Unlock
Trunk Alarm Shunt
Tachometer PURPLE / white ac ignition coil or ECM
The ECM (Engine Control Module) is located under the driver side dash to the left of the steering column.
Wait to Start N/A
Neutral Safety
Clutch Pedal
Fuel Pump
Rear Defroster
Mirror Defroster
Left Front Heated Seat
Right Front Heated Seat
Speed Sense dk. GREEN / WHITE ECM
The ECM (Engine Control Module) is located under the driver side dash to the left of the steering column.
Brake Wire lt. blue + brake pedal switch
Parking Brake
Horn Trigger black - steering column
Wipers dk. green & purple + steering column
Malibu Reg and Maxx
Item Wire Color Polarity Wire Location
12 Volts RED / black (50A) + BCM, C3, pin D1
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Second 12 Volts RED / black (30A) + BCM, C3, pin D12
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Starter yellow (not for remote start) - PCM, blue plug, pin 48 or 23
The PCM (Powertrain Control Module) is in front of the battery on the driver side fender.
Second Starter white +9.6K ohms ignition harness or BCM, C2, pin 56
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug. If interface module is not available, see Tech Doc 1605.
Ignition pink + ignition harness or BCM, C4, pin D3
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Second Ignition N/A
Third Ignition N/A
Accessory brown + ignition harness or BCM, C4, pin C8
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Second Accessory same as second starter +6.3K ohms
Third Accessory N/A
Keysense same as second starter
Data Bus white (resistor code), WHITE/ black (5V reference) mux ignition harness or BCM, C2, pins 56 and 62
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug. The keyless link wire is lt. green at the BCM, C2, pin 12.
Can Bus High
Can Bus Low
Can Bus Sw dk. green data data link connector under driver dash, pin 1
Power Lock white - driver kick or BCM, C1, pin 66
Lock is a straight negative trigger. Unlock is negative trigger thru a 1.5K ohm resistor. MUST use relays. The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Power Unlock same as power lock wire
Lock Motor gray/black to gray 5wi driver kick or BCM, C3, pin A5
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Driver Unlock Motor tan 5wi driver kick or BCM, C3, pin B1
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Parking Lights (-) BROWN / white - switch or BCM, C2, pin 5
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Parking Lights (+) brown + driver kick or BCM, C3, pin A7
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Hazards white - switch or BCM, C2, pin 9
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Turn Signal (Left) dk. blue (F), yellow (R) + BCM, C1, pin 38 and C3, pin A9
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Turn Signal (Right) dk. green (F), dk. green (R) + BCM, C1, pin 56 and C3, pin A12
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Headlight white - switch or BCM, C2, pin 15
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
AutoLights
Reverse Light lt. green + fuse block, driver side of trunk
Left Front Door Trigger gray/black (D), tan/white (P) - each kick or BCM, C1, pins 51 and 72
Use both wires and diode isolate each. The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Right Front Door Trigger
Left Rear Door Trigger
Right Rear Door Trigger
Dome Supervision gray - BCM, C3, pin A10
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Trunk/Hatch Pin ORANGE / black - BCM, C1, pin 18
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Rear Glass Pin
Hood Pin pink/black - pin switch or BCM, C1, pin 69
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Trunk/Hatch Release BROWN / white - switch or BCM, C1, pin 71
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Trunk Release Motor
Fuel Door Release
Power Sliding Door (Left) N/A
Power Sliding Door (Right)
Factory Alarm Arm arms on lock with door open
Factory Alarm Disarm purple - driver kick, door harness
This wire will disarm the factory alarm if it has not been triggered, but might not disarm if it has. This wire will also unlock the doors with a double pulse.
Disarm No Unlock with ignition and Passkey
Trunk Alarm Shunt
Tachometer NOT pink ac any fuel injector
Wait to Start N/A
Neutral Safety
Clutch Pedal
Fuel Pump
Rear Defroster
Mirror Defroster
Left Front Heated Seat
Right Front Heated Seat
Speed Sense brown (3.5L only) PCM, blue plug, pin 22
The PCM (Powertrain Control Module) is in front of the battery on the driver side fender.
Brake Wire white + BCM, C1, pin 42
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Parking Brake lt. blue - switch or BCM, C1, pin 59
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Horn Trigger tan - switch or BCM, C2, pin 14
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.
Wipers dk. green + BCM, C1, pin 22
The BCM (Body Control Module) is part of the fuse/relay box on the front passenger side of the center console. It has the following connectors: C1-72 pin gray plug, C2-72 pin gray plug, C3-41 pin red plug, and C4-68 pin lt. gray plug.