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Old 04-28-2014, 12:50 PM   #1
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Join Date: Apr 2014
Location: Pipersville
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Forgot how auxiliary battery gets hooked up

I have a 2006 Jayco 30GS Greyhawk. For the first time we took the auxiliary battery out for the winter but forgot to take a picture of which wires went to what before removing the battery. There are 4 wires with white bands on them and one that does not have the white band.Click image for larger version

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ID:	12687 The 4 wires with white bands stay together as shown in this photo.

Also, there is a master battery disconnect switch just inside the entrance door - do I need to do something with that when hooking up auxiliary battery?

Any help would be appreciated!

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Old 04-28-2014, 01:13 PM   #2
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in the background of the first picture, you can see wires that look they are terminating to the chassis ground (frame) that should be Negative to your battery

Typically, wiring in the trailer follows the 'Household' color codes, where White is Neutral / ground and black in Hot / positive ( counter to DC power wiring, where black is ground)

Do any of the wires with white tape also connect to the chassis ground, confirming that white tape is negative?

the fact that you have several wires with white tape is suspicious, and then may be positive.

Turn off the battery disconnect switch before doing anything

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Old 04-28-2014, 01:18 PM   #3
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As Jmooney said the white should be ground. Doesn't the black connect directlty to the relay? If it does it is the positive lead.
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Old 04-29-2014, 01:36 PM   #4
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White neg Black pos
I wrapped the the black cable with some red tape to remind me which is +. Why RV's went with house code colors for the 12V side is beyond me. I think it causes more trouble than it cures.
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