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Old 07-05-2014, 06:13 PM   #1
davepl
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Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
Cool ideas for AUX battery?

I don't want to deviate from stock wiring TOO much, but I've got the TP2 AUX battery option and I don't plan on camping.

From the schematic it looks like the batteries are connected in parallel when the relay at the AUX battery receives power (IGN UNFUSED). If that's active during cranking then I don't understand why the aux battery doesn't get involved with the cranking, but there sure isn't enough cable gauge to carry that kind of load.

I could wire it up like my boat, with a 1/2/ALL switch and an isolator so they both charge, but it'd be easier just to carry a set of cables and boost myself if ever needed.

So besides carrying around a charged battery, any good ideas? No stereo, no fancy lighting other than HID and cab lights.

How hard would it be to wire it such that the dome, headlights and park lights are on the AUX battery so that if left on they don't run down the main?
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1970 GMC Sierra Grande Custom Camper - Built, not Bought
1969 Pontiac 2+2 427/390 4-speed Coupe
1969 Pontiac 2+2 427/390 4-speed Convertible
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