Winter is approaching in Alaska, and since it is suddenly no longer light out 24/7 I discovered that the backup lights do not work on my 88' GL Wagon (no voltage at the bulb sockets). I don't have a wiring diagram for the car so I'm not sure where the circuit goes. I'm guessing there is a sensor on the transmission that goes to a relay inside the dashboard somewhere that sends power to the backup lights? How do I go about testing the sensor, and where is the relay located?
Also, if anyone has a pdf of the chassis electrical part of the factory service manual that would be awesome to have, all I've been able to locate is the engine manuals.
Thanks for the help, this forum has been invaluable to fixing up this old 367,000-mile subaru