Thanks all!
It was indeed the starter relay. The battery terminal was shorted to the solenoid terminal inside the relay. I had a new relay to compare ohmmeter readings with. I swapped relays and it works fine now.
> pschlosser - Yes, I have the 71 Chassis and Body Service Manuals. There's a...
Howdy folks. I have a 71 cuda clone, 340, 4 speed. Last night I pulled into a convenience store on the way home. When I went to start the car to leave, the starter motor would not disengage. The car started, but the starter motor continued to crank. I turned the car off, removed the key from the...