Adding 2nd Battery to vehicle

**Cyco** · 04-23-2005, 10:41 PM

I would like to add a 2nd battery (deep cell) to my truck. How extactly does this hook up? Using a deep cell and keeping the existing car battery for cranking. I'd like to isolate most of the electronics to the deep cell?

Any help? Thanx!

Also can/does the deep cell battery receive a charge from the alternator as well?

**shakes** · 04-23-2005, 11:52 PM

do a search for battery isolator ... this topic has been covered in depth.

**Cyco** · 04-24-2005, 01:53 PM

Thanx.... I guess I should be more specific. I know how to hook the batteries up with the isolator, I'm wondering about what can be hooked up to the 2nd battery? Can I take the power cables coming from the brain box and hook that to the second battery to ALL the electical runs off the 2nd one. Then maybe run a ignition jumper to the 1st battery for starting only?