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Old 09-21-2020, 06:06 PM   #1
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Battery connections

I just purchased a 1988 Travel Craft on an E350 Ford chassis. It has a 460. The last owner pulled the batteries. I need to know if these 2 wires are hot or ground. They go into a wiring loom heading down the chassis. The big one is white and the smaller one is purple. Thanks.
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Old 09-21-2020, 09:04 PM   #2
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Easiest way to tell is to use a dvom and check for continuity from the wires to chassis ground. If continuity is read the wires are ground.
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Old 09-23-2020, 04:31 PM   #3
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If you have a 12 volt test light you could attach it to the wire and to a known ground, if it lights it's hot (12 volt positive) If it don't light it'd be ground no?
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