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GMC DENALI
MODEL YEAR(S
DENALI 1999-2000
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 PURPLE (+) or YELLOW (+) @ 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 HARNESS
POWER UNLOCK WHITE (TYPE A) IN EITHER DOOR HARNESS
LOCK MOTOR WIRE GRAY (+) IN DRIVERS DOOR HARNESS
DOOR TRIGGER See NOTE #1 IN DRIVERS KICK PANEL and DRIVERS DOOR HARNESS 14301_DENALI_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION WHITE (-), NOTE #2: (Requires #775 Relay) @ UNDER DASH LIGHT
TRUNK RELEASE BLACK or BLACK/WHITE, See NOTE #3, (Requires #775 Relay) LOW in DRIVERS KICK PANEL 15941_DENALI_GM 5-WIRE CARGO DOOR DIAGRAM.pdf
SLIDING POWER DOOR N/A
HORN BLACK (-) @ STEERING COLUMN HARNESS
TACH WHITE (AC) @ ECM, See NOTE #4
WAIT TO START LIGHT N/A
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: The DRIVERS DOOR is a TAN (-) in the DRIVERS DOOR HARNESS, and the PURPLE (-)

wire in the DRIVERS KICK PANEL is for the PASSENGER DOOR. The ORANGE/BLACK (-)

in the DRIVERS KICK PANEL is for the REAR DOORS or HATCH. When connecting to an

ALARM SYSTEM use all (3) wires and DIODE ISOLATE. See DIAGRAM





NOTE #3: If vehicle has a REAR LIFT WINDOW it is a (+) POSITIVE wire, if vehicle has REAR

CARGO DOOR it is a 5-wire system See DAIGRAM for CARGO DOORS.





NOTE #4: The ECM (Engine Control Module) is located on the DRIVERS SIDE INNER FENDER.

The TACH wire is in a BLACK Plug marked "WHITE"





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

STARTING!!!!!!
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EXTRA INFORMATION