I agree with this.The fact it will not crank with the key switch it is more likely in the wiring harness and not the ignition parts.Have you tried a jumper wire to the coil positive and then jumping your starter relay to see if it starts?So there is no power to the starter relay from the key switch?Nuetral switch possibly,but still does not explain no run.Check the pickup coil air gap and contacts for rust.-RT


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turn on the headlights or the heater fan

wiggle the fusable link between the + post on the battery and the bulkhead connector, and check it for volts thru it with a volt meter.

then go to the bulkhead connector and wiggle the heavy RED wire while watching to see if the lights come on. If not then wiggle the heavy BLACK wire.

If not, then go under the dash and wiggle those 2 wires again.

One might be corroded and not making contact. Then fix that which is bad, maybe by doing the MAD bulkhead connection fix.

Also check the amp gauge to be sure it isn't burned out, including the circuit board around it.