I just realized I didn't mention the "Big 3" - I meant upgrading the existing stock wiring (which I believe in my vehicle is maybe 6awg) going from the battery ground to chassis, chassis to engine block and alternator positive to battery positive to a larger gauge wire.
To clarify on your...
My understanding was that a direct run from negative terminal on the aux to the negative terminal on the main battery would prevent noise in my radio like dwh said. I am already experiencing a tad bit of ground noise because I wanted to keep my stock head unit, so I had to add a BitTen sound...
So I’ve already purchased the IBS-DBS dual battery system w/microprocessor (http://www.sierraexpeditions.com/index.php?l=product_detail&p=2074) as well as a blue top Optima deep cycle battery. My plan is to run the OEM battery under the hood until it dies and put my blue top aux battery in the...
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