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FORD F250-F350-F450 SUPER DUTY
MODEL YEAR(S
F250-F350-F450 SUPER DUTY 1997-1998
KEY T-HARNESS IMMOBILIZER
N/A N/A N/A
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT YELLOW (+) @ IGNITION SWITCH HARNESS
STARTER RED/LIGHT BLUE (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 RED/LIGHT GREEN (+) @ IGNITION SWITCH HARNESS
IGNITION 2 BLACK/LIGHT GREEN (+) @ IGNITION SWITCH HARNESS
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 GRAY/YELLOW (+) (2 wires, use the heavier gauge wire) @ 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 PINK/YELLOW (TYPE C), See NOTE #1 IN EITHER KICK PANEL,
POWER UNLOCK PINK/LIGHT GREEN (TYPE C), See NOTE #1 IN EITHER KICK PANEL,
LOCK MOTOR WIRE N/A
DOOR TRIGGER BLACK/BLUE (+) IN DRIVERS KICK PANEL
DOMELIGHT SUPERVISION USE DOOR TRIGGER
TRUNK RELEASE N/A
SLIDING POWER DOOR N/A
HORN DARK BLUE (-) @ STEERING COLUMN HARNESS
TACH TAN/YELLOW (AC), See NOTE #2 @ IGNITON COIL
WAIT TO START LIGHT See NOTE #2 27207_F-SERIES-SUPER-DUTY_WAIT TO START ISOLATION CIRCUIT.pdf
BRAKE LIGHT GREEN (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM DARK GREEN/PURPLE (-) IN DRIVERS KICK PANEL
ANTI-THEFT N/A
NOTES
NOTE #1: Vehicles with FACTORY KEYLESS ENTRY are a TYPE "B" Door locking system, vehicles

without FACTORY KEYLESS are a TYPE "C" Door locking system, when doing TYPE C

Locks, use the DRIVERS side SWITCH when TESTING. Wires are much easier to catch

on the Passenger side of vehicle, the parking brake bracket hides the wires on the

driver side of vehicle.







NOTE #2: On DIESELS the TACH wire is a WHITE/PINK located at the PCM (Powertrain Control

Module) or at the Main Harness that runs on the inside of the firewall to the left of

the brake pedal. For WAIT TO START LIGHT, do not use the wire in the vehicle,

use the 5,10, 15 ro 20 Second PROGRAMMABLE Wait To Start Timer on the

Remote Starter.



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