2nd batt questions.

[sweenster123 10+ year member]

When running a second batt do you have to run a ground from front batt to back?

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[BigJoker 10+ year member]

When running a second batt do you have to run a ground from front batt to back?

no.

 

[05fronty 5,000+ posts]

no.

this

 

[skmfkr 5,000+ posts]

alot of ppl would recommend doing + and - in 1/0. myself being one of those ppl

 

[smoka 10+ year member]

I would run the extra ground. It can't hurt anything, but it might help.

If the resistance of the vehicle ground is higher then the resistance of 1/0 wire, then it will help.

 

[loopkiller 10+ year member]