Did you replace the ballast resistor on the firewall? When they fry, the car will crank but not start since it is no longer getting any voltage to the points.
A fried ballast resistor will not give you the dead interior circuits though. I had a similar problem with a 70 Cuda years ago and it turned out to be the actual mating point between where the engine compartment wiring harness mates up to the firewall junction block. The built in plastic clips no longer held the female portion of the junction against the male portion of the firewall. When I jiggled the various joining sections, the power would come back on inside the car and feed the ignition switch.
Last edited by njsteve; 12-18-2018 at 11:06 PM.
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12-18-2018, 11:01 PM
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