Electrical is gone

72DartSwingerV8 said

Fuses are all getting power except for the one that says INS. I have been looking at wiring diagrams in the back of the Chiltons but I will look into the other ones. NONE of the accessories work except the radio but its an aftermarket add on so I think it's directly to the battery. I've been checking tons of connections with a test light but not with a voltmeter yet. I was mainly looking for a complete power drop off for all these accessories to stop working.

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The only time the ins fuse gets power is when the headlight switch has the park or headlights ON. It's the "one odd thing."

There are TWO feeds to the fuse box, you need to check both sides of the fuse clips

Some of the box is fed "hot" such as tail light, courtesy lights, etc, and part of it is fed from the IGN switch.

I'd be thinkin' that either the IGN switch has gone bad, or it's connector has deteriorated, or it's something right at the fuse box.