2001 Saturn L200 Car Alarm Wiring Guide
Battery Constant 12v+ Positive Wire (+): Red
Battery Constant 12v+ Positive Wire Location: Ignition Switch Harness
Starter Positive Wire (+): Yellow
Starter Positive Wire Location: Ignition Switch Harness
Ignition Positive Wire (+): Pink
Ignition Positive Wire Location: Ignition Switch Harness
Second Ignition Positive Wire (+): Green
Second Ignition Positive Wire Location: Ignition Switch Harness
Accessory Positive Wire (+): Orange
Accessory Positive Wire Location: Ignition Switch Harness
Key Sense Negative Wire (-): Light Green (The light green (-) key sense wire at the steering column, must see a (-)negative during remote start to keep the service engine light from coming on.)
Key Sense Negative Wire Location: Ignition Switch Harness
Parking Light Positive Wire (+): Brown
Parking Light Positive Wire Location: At Steering Column Harness
Power Door Lock Positive Wire (+): ORANGE / Black
Power Door Lock Positive Wire Location: In Drivers Kick Panel
Power Door Unlock Positive Wire (+): RED / Black
Power Door Unlock Positive Wire Location: In Drivers Kick Panel
Door Trigger Negative Wire (-): The drivers door is gray/black (-). The other doors are BLACK/ white (-). Both wires are in the gray 24-pin plug at the BCM. When connecting to an alarm system, use both door trigger wires and diode isolate.
Door Trigger Negative Wire Location: At BCM. The BCM (body control module) is located above the glove box.
Domelight Supervision Wire: Gray/Black (-)
Domelight Supervision Wire Location: At BCM. The BCM (body control module) is located above the glove box.
Trunk Release Positive Wire (+): Black (Requires Relay)
Trunk Release Positive Wire Location: At Trunk Release Switch
Horn Negative Wire (-): Black
Horn Negative Wire Location: At Steering Column Harness
Tachometer Wire Negative Wire (-): On the 4 cylinder models use PURPLE / white at the ignition module on the drivers side of the motor. On the 6 cylinder models at the ignition coils on top of the cylinder head on the drivers side of the motor, use any 1 of the 3 wires that is not pink or black.
Tachometer Wire Negative Wire Location: N/A
Brake Light Positive Wire (+): Light Blue
Brake Light Positive Wire Location: At Switch Above Brake Pedal
Factory Alarm Disarm Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A
Factory Anti-Theft System: Yellow (+) And Black (-) And White (Not Used)
Factory Anti-Theft System Location: GM Passlock 2 System, Wires Are Under The Steering Column Cover, At The Bottom Of The Ignition Switch Tumbler In A Black Or Dark Gray Plug
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