Thread: Success, kinda!
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Old 08-14-2009, 12:52 AM   #12 (permalink)
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Quote:
Originally Posted by watt-a-mezz View Post
I was just trying to think of a way to wire a separate switch or button to say 12volts to use when I need to back it up. I would be able to wire up a simple setup, but I dont know if it would be enough to move it. Any ideas? Watt
Quickly:

You'll need some new battery cables
Some 10 gauge wire
A starter solenoid for a 1979 Ford Pickup
a heavy duty SPST switch or push button.

Wire the solenoid so that it's drawing power from one 12V battery, or several 12V batteries in parallel.

Wire the push button or SPST switch to turn on the field to the solenoid, which then acts as a contactor for a direct 12VDC circuit to the motor. Use this circuit instead of the throttle when you're in reverse.

You could also wire in a safety so that the circuit wouldn't even work unless you're in reverse, by just adding a brake light switch inline with your SPST switch or push button, and mounting it in such a way that the shifter engages it while you're in reverse only. This way, you can't "accidentally" engage the 12VDC circuit.

Hopefully that's fairly clear.
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