Re: OD not working on '53 Ford 3-spd w/R10
Your setup sound good, so far.
These are very sensitive to voltage. Check the power to the relay, usually wired from the ignition switch. This should be nearly identical to the voltage directly at the battery. Then activate the relay as you have shown - when the relay clicks, check the voltage on the terminal that goes to the solenoid. If you have any voltage drop there, we can give you some steps to take.
You actually should hear the solenoid engage when you ground the relay. If no voltage drop out of the relay, check the voltage at the solenoid when the relay is activated.
Ken
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