Whether your an expert installer or a novice enthusiast with a 2000 Saturn SL2, an automotive wiring diagram can save yourself time and headaches. One of the most time consuming tasks with installing a car alarm, remote car starter, car security system or any mobile electronics is identifying the correct wires for a 2000 Saturn SL2.

The Modified Life staff has put their heads together to create an invaluable resource containing car alarm wiring diagram, remote car starter wiring diagram, car wiring diagram and car security wiring diagram. Feel free to use any car alarm wiring diagram or remote car starter wiring diagram that is listed on Modified Life but keep in mind that all information here is provided “as is” without any warranty of any kind. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2000 Saturn SL2.

If you can’t find your car alarm wiring diagram or remote start wire diagram on Modified Life, please feel free to post a car wiring diagram request (Car Alarm Wiring Diagram Request Page) and we’ll do our best to find you the information you need for your mobile installation.

2000 Saturn SL2 Car Alarm and Remote Car Starter Wiring Information

Constant 12V+ Wire: Red
Constant 12V+ Wire Location: Ignition Switch Harness

Starter Wire (+): Yellow
Starter Wire Location: Ignition Switch Harness

Second Starter Wire (+): N/A
Start Wire Location: N/A

Ignition Wire (+): Pink
Ignition Wire Location: Ignition Switch Harness

Second Ignition Wire: White
Second Ignition Wire Location: Ignition Switch Harness

Accessory Wire: Orange
Accessory Wire Location: Ignition Switch Harness

Second Accessory Wire: Brown
Accessory Wire Location: Ignition Switch Harness

Key Sense Wire (-): Light Green
Key Sense Location: Ignition Switch Harness

Tachometer Wire: White or Orange
Tachometer Wire Location: Ignition Module. The ignition module is on the center front of the motor. Tach wire can also be found at the PCM located behind the battery.

Door Lock Wire (-): Light Blue
Door Lock Wire Location: Drivers Kick Panel

Door Unlock Wire (-): White
Door Unlock Wire Location: Drivers Kick Panel

Door Trigger Wire (-): Use gray/black wire for the drivers door and light green/black wire for the passenger door(s). The gray/black wire is located near the diagnostic plug harness under the drivers side of the dash, and the light green/black wire is located in a black 24 pin plug behind the fuse box in the center console. Use both wires and diode isolate each wire.

Dome Supervision Wire: Use door trigger.
Dome Supervision Wire Location: N/A

Headlights Wire (-): N/A
Headlights Wire Location: N/A

Parking Light Positive Wire (+): Brown
Parking Light Positive Wire Location: Headlight Switch

Parking Light Negative Wire (-): N/A
Parking Light Negative Wire Location: N/A

Trunk/Hatch Pin Wire (-): Orange/Black
Trunk/Hatch Pin Wire Location: On vehicles without power door locks use the trunk light. On vehicles with power door locks, find the orange/black wire in a gray 68 pin plug behind the fuse box in the center console.

Hood Pin Wire (-): N/A
Hood Pin Wire Location: N/A

Trunk/Hatch Release Wire (-): Gray or Black
Trunk/Hatch Release Wire Location: Located behind the fuse box.

Factory Alarm Arm Wire: N/A
Factory Alarm Arm Wire Location: N/A

Factory Alarm Disarm Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A

Factory Alarm Disarm but No Unlock Wire (-): N/A
Factory Alarm Disarm Wire Location: N/A

Horn Trigger Wire (-): Black
Horn Trigger Wire Location: Steering Column

Brake Wire (+): Light Blue
Brake Wire Location: Brake Pedal Switch

Emergency Parking Brake Wire (+): N/A
Emergency Parking Brake Wire Location: N/A

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