I just bought a used 2000 Challenger with a replacement Mercury engine. The six cylinger Mercury cold/warm starts and runs fine. After towing for awhile and turning off the engine to switch out people, it won't restart. There's apparently no signal going to the starter, because it doesn't turn over. The forward/reverse lever is in neutral. That's apparently not the problem. After trying about a dozen times it suddenly starts up fine. I've read about a Engine Head Temp Sensor on the forum. Could that be the problem?
Bruce in Satellite Beach, Florida
Bruce in Satellite Beach, Florida