What benifit is there to adding a 2nd battery to my grand wagoneer?

Asked by Guru95H45 Jun 09, 2017 at 03:00 AM about the 1988 Jeep Grand Wagoneer 4 Dr STD 4WD SUV

Question type: Car Customization

I am told that adding a 2nd battery to my 1988 grand wagoneer will help.  I do not understand how the G.W. performance will benefit.  Is there an explanation?

2 Answers

F_O_R answered 7 years ago

Only if you have accessories that use a lot of power like a winch.

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