2001 Saturn L-Series Vehicle Wiring Chart and Diagram

Vehicle Wiring Details for a
2001 Saturn L-Series

Item	Wire Color	Polarity	Wire Location
12V	red	Positive (+)	ignition harness
Starter	yellow	Positive (+)	ignition harness
Starter 2	none
Ignition	pink	Positive (+)	ignition harness
2nd Ignition	green	Positive (+)	ignition harness
3rd Ignition	none
Accessory	orange	Positive (+)	ignition harness
Accessory 2	brown	Positive (+)	ignition harness
Tachometer	[3]		[3]
Power Door (Lock) Wiring Diagram for [Positive (+)] Door Lock	orange/black	Positive (+)	drivers kick panel
Power Door (Unlock) Wiring Diagram for [Positive (+)] Door Unlock	red/black	Positive (+)	drivers kick panel
Door Trigger	[1]	Negative (-)	[2]
Dome Supervision Wiring Diagram for [] Dome	use door trigger
Headlights	blue [6]	Negative (-)	steering column
Parklight Positive	brown	Positive (+)	steering column
Parklight Negative	none
Wipers	green(L), purple(H)	Positive (+)	steering column
Left Front Window (Up/Down)	dk blue - brown		switch in center console
Right Front Window (Up/Down)	blue - brown		switch in center console
Left Rear Window (Up/Down)	dk green - purple	A	switch in center console
Right Rear Window (Up/Down)	lt green - purple	A	switch in center console
Trunk/Hatch Pin	red/black	Negative (-)	BCM, gray 24 pin plug [2]
Hood Pin	none
Trunk/Hatch Release Wiring Diagram for [Positive (+)] Trunk/Hatch	black	Positive (+)	switch [4]
Factory Alarm (Arm)	none
Factory Alarm (Disarm)	none
Horn	black	Negative (-)	steering column
Brake	lt blue	Positive (+)	brake switch
Door Motor (Lock)	gray		drivers kick panel
Door Motor (Unlock)	tan		drivers kick panel
Disarm	tan		passengers kick panel
Disarm No Unlock	none

Additional Info:
This vehicle has the passlock II immobilizer system that, when adding a remote start, must be interfaced with. Use Commando part PassMod. The lt. green key sense wire at the steering column must see a ground during remote start to keep the "SERVICE" light from coming on. [1] The drivers door is gray/black. The other doors are black/white. Both wires are in the gray 24 pin plug at the BCM. Use both wires and diode isolate each. [2] The BCM is located above the glove box. [3] On the 4 cylinder models, use purple/white at the ignition module on the driver 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 one of the three wires that is not pink or black. [4] Can also use black/white (+) at the BCM in the gray 24 pin plug. [5] The amplifier in under the driver side dash above the brake pedal. [6] Low beam is high current negative, must use relay.

ATTENTION: This wiring information is being provided free of charge and on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it by using a digital multimeter. GNU Industries, Inc. assumes no responsibility with regards to the accuracy or currency of this information. Proper installation in every case is and remains the responsibility of the installer. GNU assumes no responsibility resulting from an improper installation, even in reliance upon this information.