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SATURN L-SERIES
MODEL YEAR(S
L-SERIES 2003-2005
KEY T-HARNESS IMMOBILIZER
N/A N/A GM's PASSLOCK 2 ANTI-THEFT System, Requires 791 Bypass Module
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED (+) @ IGNITION SWITCH HARNESS
STARTER YELLOW(+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 PINK(+) @ IGNITION SWITCH HARNESS
IGNITION 2 DARK GREEN @ IGNITION SWITCH HARNESS
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 ORANGE (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 BROWN (+) @ IGNITION SWITCH HARNESS
KEYSENSE LIGHT GREEN (-) See NOTE #1 @ IGNITION SWITCH HARNESS
PARKING LIGHTS ( - ) LIGHT BLUE (-) @ BCM, PIN B4, 16-PIN GRAY PLUG, See NOTE #2
PARKING LIGHTS ( + ) BROWN (+) @ BCM, PIN B10, 24-PIN GRAY PLUG, See NOTE #2
POWER LOCK RED/BLACK (TYPE A) @ BCM, PIN A8, 16-PIN GRAY PLUG, See NOTE #2
POWER UNLOCK ORANGE/BLACK (TYPE A) @ BCM, PIN A7, 16-PIN GRAY PLUG, See NOTE #2
LOCK MOTOR WIRE GRAY (5-WIRE TYPE) @ 30-PIN PLUG, PIN B4, PASSENGER FUSE BOX
DOOR TRIGGER See NOTE #3 @ BCM, 24-PIN GRAY PLUG, See NOTE #2 14301_L-SERIES_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION WHITE (-) @ BCM, PIN A1, PINK PLUG, See NOTE #2
TRUNK RELEASE BLACK/WHITE (+) @ BCM, PIN B7, 24-PIN GRAY PLUG, See NOTE #2
SLIDING POWER DOOR N/A
HORN BLACK (-) @ BCM, PIN B2, PINK PLUG, See NOTE #2
TACH ANY wire NOT PINK, BROWN/WHITE or BLACK (AC) @ IGNITION CONTROL MODULE
WAIT TO START LIGHT N/A
BRAKE LIGHT BLUE (+) @ 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: THE LIGHT GREEN (-) KEY SENSE WIRE AT THE IGNITION HARNESS MUST SEE A (-)NEGATIVE DURING REMOTE START TO KEEP THE SERVICE ENGINE LIGHT FROM COMING ON.





NOTE #2: THE BCM (Body Control Module) IS BEHIND THE GLOVEBOX.





NOTE #3: THE DRIVERS DOOR TRIGGER IS GRAY/BLACK (-) IN PIN B2 AND THE PASSENGER DOOR TRIGGER IS BLACK/WHITE (-) IN PIN A12. WHEN CONNECTING TO AN ALARM SYSTEM, USE BOTH DOOR TIRGGER WIRES AND DIODE ISOLATE, TO CONNECT, SEE DIAGRAM.
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