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09-20-2021, 10:31 AM | #1 |
Senior Member
Join Date: Jul 2021
Location: Savannah, Georgia
Posts: 245
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Change 12V Positive Ground to Negative ground
I want to...."Change 12V Positive Ground to Negative ground" on 39 Ford.
What do I need to do and or change out? |
09-20-2021, 05:22 PM | #2 |
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Join Date: Jun 2014
Location: Williamsburg, VA
Posts: 1,623
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Re: Change 12V Positive Ground to Negative ground
Let's start with what are you trying to accomplish? Other than the 12v conversion, what else on the car is not stock? Pretty much the only thing on a stock 39 Ford that cares what the polarity is, is the ignition coil, and a radio.
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09-20-2021, 10:11 PM | #3 |
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Join Date: Oct 2011
Location: elmira,ny
Posts: 1,505
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Re: Change 12V Positive Ground to Negative ground
how about amp meter( will read backwards), all light bulbs. ballast resistor, heater motor will probably run like a banshee, all gauge voltages must be dropped, radio & turn signals, if equipped, will not operate
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09-27-2021, 07:51 AM | #4 | |
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Location: Savannah, Georgia
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Re: Change 12V Positive Ground to Negative ground
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Quote:
No radio or heater, just coil. How about voltage regulator? |
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