My 2000 Subaru Outback parking lights will not shut off and is running down battery what could be the source
Sounds like a bad light switch. The contacts inside have melted / broken and are making contact with the power wire. Pull the switch and check continuity between the power pin and the parking light pin on the switch. You will need a multi-meter and a schematic. If you cannot find a schematic online, join a forum and ask. If that does not work, order a Haynes manual from amazon - schematics are in the back of the book.
If the switch checks out, then look for melted wires in the lighting harness. IF all the parking lights stay on, its a power feed issue more than a bulb or a ground.
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