2003 Saturn Ion Power Window Wiring Diagram. Disconnect the window switch wiring harnesses. Power windows sunroof radio wiperwasher switch accessory power outlet.
Picture diagram of a wiring harness for 2003. It comes from battery to starter then up to alternator and is the wire the alternator charges the batterty through. Radio accessory switched 12v wire.
This video will show you.
2004 saturn ion quad coupe installing new stereo and speakers wires at speaker connections both test as positive have. I have a 2003 saturn ion sedan with power windows that dont work. Now the drivers window wont work. Left front speaker positive wire.