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GMC SUBURBAN
MODEL YEAR(S
SUBURBAN 1998-1999
KEY T-HARNESS IMMOBILIZER
N/A N/A GM's PASSLOCK 2 ANTI-THEFT System, See NOTE #1
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED (+) @ IGNITION SWITCH HARNESS
STARTER YELLOW (+) or PURPLE (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 PINK (+) @ IGNITION SWITCH HARNESS
IGNITION 2 WHITE (+), See NOTE #5 @ IGNITION SWITCH HARNESS
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 or in DRIVERS KICK PANEL
POWER LOCK LIGHT BLUE (TYPE A) IN EITHER DOOR BOOT
POWER UNLOCK WHITE (TYPE A) IN EITHER DOOR BOOT
LOCK MOTOR WIRE N/A
DOOR TRIGGER PURPLE (-) @ HEADLIGHT SWITCH
DOMELIGHT SUPERVISION WHITE (-) (Requires Part #775 Relay) @ UNDERDASH LIGHT
TRUNK RELEASE BLACK or BLACK/WHITE, See NOTE #2, (Requires Part #775 Relay) LOW IN DRIVERS KICK PANEL
SLIDING POWER DOOR N/A
HORN BLACK (-) @ STEERING COLUMN HARNESS
TACH WHITE (AC) @ ECM, See NOTE #3
WAIT TO START LIGHT DARK BLUE (-), See NOTE #4 @ INSTRUMENT CLUSTER
BRAKE WHITE (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM N/A
ANTI-THEFT YELLOW (+), ORANGE/BLACK (-) and RED/WHITE (Not used) GM's PASSLOCK 2 System, these wires exit the Ignition Switch Tumbler together and are in the Main Ignition Switch Harness in the Column.
NOTES
NOTE #1: This vehicle uses GM'S PASSLOCK 2 ANTI-THEFT SYSTEM that requires a 791 Bypass

Module to Remote Start,



to order go to the SECURITY BYPASS MODULES Page on this website.







NOTE #2: on vehicles with REAR LIFT WINDOWS it is a (+) Positve system, on vehicles with

the CARGO DOORS it is a 5-Wire System See DIAGRAM





NOTE #3: the ECM (Electronic Control Module) is located on the DRIVERS SIDE INNER FENDER,

the TACH wire is in a BLACK Plug marked WHITE.





NOTE #4: when hooking up a remote starter, if you cannot get the (+) or (-) Wait to Start wire

on the Remote Starter to work properly, you will then need to disconnect this wire

and Program the Remote Starter for the 5, 10, 15 or 20 Second Wait to Start

Timmer in the Installation manual.



NOTE #5: IMPORTANT !!!!! this wire MUST BE CONNECTED as IGNITION #2 for

REMOTE STARTING!!!!!!
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