If the problem persists, Check the connectors on the back of the Instrument cluster, those codes are for communication errors to the cluster,...
Splendid, Speed on!
Unless your car uses hyperconductors for wires, there will always be some measurable resistance. Like I said, just run new wires to the resistor...
Resistance or open circuit? It is normal to see .2-.4 Ohms on a good circuit. Instead of tearing into the entire wiring harness, just run new...
Yup, that'll do it every time. Clean thoroughly and carefully inspect the wires for damage.
I would suspect a bad resistor. I know you said that you replaced it, but was the replacement used?
You could try back probing the Crank sensor and monitoring voltage there if you have a DVOM, but catching the voltage drop or spike is difficult....
And you verified voltage on both relays even when it won't run? I thought maybe the resistor might be getting too hot and crapping out. Another...
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