My license plate lights went out. Per Andy, he said sometimes the defrost light by the shifter will short and blow the fuse. Popped the fuse #7 and it was blown. I pulled the wire off the positive on that light. Checked and cleaned all the grounds and bulbs at the license plate light and the trunk light. Installed new fuse. Turned on the key and the fuse immediately popped, while I watched.
The flow chart shows Gray wire from fuse to Light switch K on one side of the fuse. It shows Gray on the other side of the fuse to the trunk light and to the license plate lights and dead ends there. Also on that fuse side is a Blue-black wire going straight to 58b on the light switch. (I couldn't find the defrost light anywhere on the chart)
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1. If I pulled the bulbs on the trunk light and the license plate lights, installed the fuse and it blows, then there's a short in the positive wire to the ground somewhere in this circuit? Yes?
2. If it doesn't blow, and I put back one bulb at a time:
A. If it blows on the first bulb, it's probably a light switch problem?
B. If it blows after putting several bulbs, it a problem in the last bulb's
wire - when the fuse popped - back to the previous bulb?
C. Other?
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Get this one done and I'll try for the instrument lights.
The back lighting on the instruments lights are out, and on a different fuse (ok there) but go into the light switch for dimming, this seems to point to the switch again.
If I come up empty on the light bulbs and wiring on fuse 7, is there a way to test the light switch? Headlights, turn lights, brake and tail lights all work just fine.
Thanks for your electrical thoughts