2001 sl ignition wiring diagram - SaturnFans Forums Re: 2001 sl ignition wiring diagram email the info to dcflh07@yahoo . 2001 saturn sl dohc vin7. yes right now I need to rule out a wiring problem. Right now I think its a broken wire at on of the connectors. the engine has been out of the car twice in the past two years. 2001 Saturn L-Series Vehicle Wiring Chart and Diagram 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.  2001 Saturn SL2 | Stereo Wiring Diagram 2001 Saturn SL2. April 11th, 2012 Posted in Saturn SL2. 2001 Saturn SL2 Stereo Wiring Information. Radio Constant 12V+ Wire: Orange Radio Ignition Switched 12V+ Wire: Yellow Radio Ground Wire: Black Radio Illumination Dimmer Wire: Brown The stereo wiring diagram listed above is provided “as is” without any kind of warranty.