connecting "in-series" batteries
My travel trailer's batteries were stolen and now that I have 2 new ones to reconnect them, but of course they were already properly connected when I bought the trailer and I never had a need to mess ...
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I agree that using a meter is the best way to figure out what goes where.
But you can also deduce what is what with a fair bit of certainty if you don't have a meter.
Unplug from shore power
grab a white wire in your hand and trace the wire with your hand until it changes. If it goes to a bolt or screw on the frame it is a ground wire.
Grab the next white wire and repeat the hand tracing. If it also goes to a bolt or screw in the frame it is a ground.
Now grab the red wire and trace it. See if you can identify what the wire goes to.
Repeat this for the black wire.
Where do all the wires go?
But you can also deduce what is what with a fair bit of certainty if you don't have a meter.
Unplug from shore power
grab a white wire in your hand and trace the wire with your hand until it changes. If it goes to a bolt or screw on the frame it is a ground wire.
Grab the next white wire and repeat the hand tracing. If it also goes to a bolt or screw in the frame it is a ground.
Now grab the red wire and trace it. See if you can identify what the wire goes to.
Repeat this for the black wire.
Where do all the wires go?
