Re: Starter Continues to Crank When Engine is Running

Posted by JD in KC On 2011/9/10 19:57:39
Problem solved. Re-installed the starter today and replaced all the taped-up cracked wiring between the carburetor starter switch and the solenoid. The problem was definitely a short in the wiring.

I didn't think it was a short in the wiring because the starter never started up on its own once the engine was running. Apparently the reason the starter motor did not spontaneously start spinning once the engine was running was because of the unique way the 356/Auto-lite starter is wired into the regulator. Once the engine is running, the positive post on the solenoid is turned negative (I think) so the starter wouldn't/couldn't fire up. I guess Packard tried this approach with the Delco set-up with very limited success and quickly went back to a fixed positive ground.

Can anyone tell me the reasoning behind the attached wiring diagram warning? What earthly difference can it make how/where the wires attach to a simple on/off switch? Mine was reversed and I followed the directions and attached them per the diagram but I'd still like to know why this is important. As best I can tell, this warning appeared starting in 1948 and disappeared with 1951.

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