PRINT
PONTIAC BONNEVILLE
MODEL YEAR(S
BONNEVILLE 1991-1993
KEY T-HARNESS IMMOBILIZER
N/A GM-2 GM's VATS ANTI-THEFT System (if Equipped) Requires 791 Bypass Module
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED (+) @ IGNITION SWITCH HARNESS
STARTER PURPLE (+) or YELLOW (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 PINK (+) @ IGNITION SWITCH HARNESS
IGNITION 2 N/A
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 ORANGE (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) N/A
PARKING LIGHTS ( + ) BROWN (+) @ HEADLIGHT SWITCH
POWER LOCK LIGHT BLUE (TYPE A) IN DRIVERS KICK PANEL
POWER UNLOCK BLACK (TYPE A) IN DRIVERS KICK PANEL
LOCK MOTOR WIRE GRAY (5-WIRE TYPE) IN DRIVERS DOOR HARNESS
DOOR TRIGGER WHITE (-) @ INTERIOR LIGHT SWITCH
DOMELIGHT SUPERVISION USE DOOR TRIGGER, (Requires Part #775 Relay)
TRUNK RELEASE BLACK (+) or BLACK/WHITE (+) @ TRUNK RELEASE SWITCH
SLIDING POWER DOOR N/A
HORN BLACK (-) @ STEERING COLUMN HARNESS
TACH PURPLE/WHITE or WHITE (AC) @ ECM, See NOTE #2
WAIT TO START LIGHT N/A
BRAKE LIGHT BLUE (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM LIGHT GREEN (-) IN DRIVERS KICK PANEL
ANTI-THEFT 2 WHITE or 1 WHITE and 1 PURPLE, wires are in an ORANGE tube @ Ignition Switch Harness
NOTES
NOTE #2: the ECM (Electronic Control Module) is located behind the PASSENGER SIDE of the

DASH, the tach wire is also located at the IGNITION Module under the hood.
LINK 1 LINK TEXT 1 LINK 2 LINK TEXT 2