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Old 09-11-2016, 10:12 AM   #1
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2014 Interstate Ext. Coach
fairfax station , va
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Auxiliary Chassis Battery

I don't know if this is already posted here, but the vestigial auxiliary battery under the hood has at least one good use.

I'm still trying to diagnose my chassis battery/BIM dead battery problem but I found out that this works in a pinch

Say hello to my little friend. Jump yerself.
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Old 09-11-2016, 11:32 AM   #2
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Quote:
Originally Posted by VAtom View Post
I don't know if this is already posted here, but the vestigial auxiliary battery under the hood has at least one good use.



I'm still trying to diagnose my chassis battery/BIM dead battery problem but I found out that this works in a pinch



Say hello to my little friend. Jump yerself.

Not sure from your picture where you are connecting the negative lead to the vehicle. The proper spot is the negative post above the aux battery on the LH fender wall. Here is what my Sprinter owner's manual says about this.
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Old 09-11-2016, 11:41 AM   #3
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Not sure from your picture where you are connecting the negative lead to the vehicle.
It was just a miscellaneous bracket close-by that was also grounded to the vehicle.
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Old 09-11-2016, 12:27 PM   #4
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I have my dashcam and WeBoost connected to the aux chassis battery via the cigarette lighter socket under the driver's seat.
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Old 09-12-2016, 06:23 PM   #5
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Thats cool! Thanks for posting.
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Old 09-19-2016, 09:06 PM   #6
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Nice! I actually store my jumper cables on top of the Aux battery with a bungie cord (easy access as a Good Samaritan)


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