Dual Battery Hookup

Submitted: Friday, Jul 11, 2003 at 13:41
ThreadID: 5930 Views:2203 Replies:1 FollowUps:3
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Hiya,

I have a Piranha dal battery setup with the 2nd battery under the bonnet. I have a solar regulator mounted in the tray hooked up to a solar cell. Question is, do i need to run both positive and negative wires from the solar regulator up to the 2nd battery, or can i just run the positive wire, and connect the negative of the battery and the regulator to the chasis?

I am wondering if using the chasis for the negative will play havoc with the setup of the main battery?

Thanks heaps.
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Reply By: crowe - Friday, Jul 11, 2003 at 13:53

Friday, Jul 11, 2003 at 13:53
to save future dramas and for the price of cable it would be worthwhile running the negative back to the battery, if you have to run one wire from the battery you may aswell run two
AnswerID: 24696

Follow Up By: Truckster (Vic) - Friday, Jul 11, 2003 at 17:10

Friday, Jul 11, 2003 at 17:10
I'd agree with that 100%.. Its no more hassle to run 2 wires and gives you the best result..
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FollowupID: 16618

Follow Up By: Glenno - Friday, Jul 11, 2003 at 18:09

Friday, Jul 11, 2003 at 18:09
Thanks. I was trying to save purchasing another length of 8AWG wire. Its not cheap! The idea being if the 2nd battery under the bonnet ever gets too small i can easily drop a 3rd one in the tray and the wiring will be heavy duty enough.

8AWG is rated at 56amps so they say.

Back down to Jaycar.....

Cheers,
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FollowupID: 16625

Follow Up By: Wommy - Saturday, Jul 12, 2003 at 00:19

Saturday, Jul 12, 2003 at 00:19
this stuff from Dick Smith is ideal
Part no W2302 Red W2304 Black
from the website
Ideal for high current DC applications such as high-power car audio installations, communications equipment, and solar power systems. High-quality Oxygen Free Copper conductors with highly flexible PVC sheath.
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FollowupID: 16650

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