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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

amp gauge

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Old Mar 14, 2007 | 03:55 PM
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amp gauge

am going to use original gauges in my 48 and have all gauges wired up with voltage reducers at gauges. i need to know how to wire amp gauge as it appears the wire just runs through a loop . can any one advise me thanks joe black
 
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Old Mar 14, 2007 | 04:23 PM
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The amp gauge should work without modification, it is not voltage sensitive.
 
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Old Mar 14, 2007 | 05:43 PM
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You do need to reverse the direction tha tthe wire passes thru the loop, or it will read Discharge when it is charging (assunming you went to 12v Neg ground).
 
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Old Mar 14, 2007 | 07:21 PM
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The wire just runs through the loop. Ross is correct about the direction the wire runs (pos to neg). That little loop is a current transformer that generates a voltage by having current flow through the wire. That generated voltage moves the needle on the guage. The direction of current flow generates either a positive or negative voltage and that makes the guage read "charge" or "discharge.
Good Luck!
 
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