Got a call from a friend...
My good friend called me today and told me his 12 volt side of the trailer does not work when he is not plugged into shore power. No lights or refrigerator or anything else 12 volt is getting power fr...
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I need to boiler plate this
Get an Automotive Test Light (Most any auto place) looks like an old fashing ice pick with a light bulb in the handle and a wire coming out with a clip on it.
Touch clip and tip to battery posts. Bright = GOOD dark either the bulb needs re-seating or battery is dead.
Once you have bright move clip to any unpainted metal frame part (Good ground) and touch battery positive with tip. Bright = Good dark try a different clip point.
Can not find bright.. Negative cable issue check both ends and/or jumper around it for testing. It may need replacement (Bad wire does happen)
Else
Move out along the positive wire.. Every terminal check IF you move the ground clip re-check last point to insure good ground. problem exists between Dark and Bright.
Get an Automotive Test Light (Most any auto place) looks like an old fashing ice pick with a light bulb in the handle and a wire coming out with a clip on it.
Touch clip and tip to battery posts. Bright = GOOD dark either the bulb needs re-seating or battery is dead.
Once you have bright move clip to any unpainted metal frame part (Good ground) and touch battery positive with tip. Bright = Good dark try a different clip point.
Can not find bright.. Negative cable issue check both ends and/or jumper around it for testing. It may need replacement (Bad wire does happen)
Else
Move out along the positive wire.. Every terminal check IF you move the ground clip re-check last point to insure good ground. problem exists between Dark and Bright.
