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vern96

Washington State

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Posted: 06/28/11 08:56pm Link  |  Print  |  Notify Moderator

This is my second season with my 2007 S&S 9.5 FSCB. I am going to put the battery back in it, and am confused at which lead goes where.

One lead is white, the other is black (with a red shrink wrap where the wire and eyehole connector meet. None of the owners manuals tell you which is which.

The wires are not marked "+" or "-" ..... white and black have both meant either or to me depending on the application.

Thoughts? Just don't want to hook up backwards!!!

thanks!!!


2007 Dodge RAM 2500 4x4 QC with the 5.9L CTD
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2oldman

Coachella

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Posted: 06/28/11 09:06pm Link  |  Print  |  Notify Moderator

Dang I wish you guys would take a picture before unhooking your batteries!

Battery polarity

Fire Instructor

Upstate (Albany) NY Area

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Posted: 06/28/11 09:09pm Link  |  Print  |  Notify Moderator

Sounds like the white would be the ground. Easy enough to check with a simple ohm meter. Before installing the battery, set your multi-meter on ohms, touch one probe to the white terminal, and the other to the frame (chose a scratch, where there is no paint). If the needle jumps up, you have continuity, and that confirms the ground.


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vern96

Washington State

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Posted: 06/28/11 09:14pm Link  |  Print  |  Notify Moderator

Fire Instructor wrote:

Sounds like the white would be the ground. Easy enough to check with a simple ohm meter. Before installing the battery, set your multi-meter on ohms, touch one probe to the white terminal, and the other to the frame (chose a scratch, where there is no paint). If the needle jumps up, you have continuity, and that confirms the ground.


is that the frame of the truck, or the camper?

Thanks for your reply!

Fire Instructor

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Posted: 06/28/11 09:24pm Link  |  Print  |  Notify Moderator

vern96 wrote:

Fire Instructor wrote:

Sounds like the white would be the ground. Easy enough to check with a simple ohm meter. Before installing the battery, set your multi-meter on ohms, touch one probe to the white terminal, and the other to the frame (chose a scratch, where there is no paint). If the needle jumps up, you have continuity, and that confirms the ground.


is that the frame of the truck, or the camper?

Thanks for your reply!

The frame of the camper. You need to complete the circuit, and the camper chasis is the ground.

BTW - Once you confirm which is ground, it gets conected to the "-" terminal on the battery.

vern96

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Posted: 06/28/11 09:32pm Link  |  Print  |  Notify Moderator

thank you kindly fireman!

wnjj

Cornelius, Oregon

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Posted: 06/28/11 09:50pm Link  |  Print  |  Notify Moderator

Or you can plug the camper into shore power and test across the leads for 13-14V. This way you don't have to worry about finding a good frame ground. Obviously be sure the leads are kept apart when you plug in. If you have it backward you'll read a negative number.

big dave

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Posted: 06/28/11 11:48pm Link  |  Print  |  Notify Moderator

Just follow the white cable to see where it goes. Usually the cable is grounded within about 24" of the battery.


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