[cobrasnake]

Tom - I recently had a confusing lighting issue - not the same as yours instead, the turn signals and running lights were acting improperly. It turned out I had to more tightly secure the ground wires on the front signal/running light sockets. I never blew a fuse but you might try checking the 1157 sockets up front. It's a weird setup.

Keep in mind the 1157 bulbs in the front control both the signal and running lights. The rear 1157 bulbs (upper in my car) control the brakes and running lights. By not being properly grounded I had dim running lights, turn signals were off and some other confusing non-headlight lighting.

Once I realized it wasn't a bad bulb, I stuck my head under the front fenders and saw the barely loose ground wires.

Blas' diagram helped me figure things out but my problem was not shown in a diagram because he assumes the wiring is fully functional. I refer to his diagrams frequently (thanks Blas)!

Tom