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Old 03-01-2020, 05:20 PM   #5
JSeery
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Location: Wichita KS
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Default Re: Gauge Operation Negative Ground.

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Quote:
Originally Posted by 19Fordy View Post
...when i changed from 6v to 12V on my 40 Ford the BATT gauge … I had to isolate the BATT gauge so it operates as a single gauge and use a 60 ohm resistor in series with the 12V input to the gauge so gauge will read properly.
Very true, some years have the loop type ammeters which just require you reversing the direction the main power wire goes through the loop. Other years are as 19Fordy posted.
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