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Second batt wiring


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Posted

Ok so I just bought an xs D925 to go in the back. I have a brand new yellow top as my main battery. My question is do I need to run my power wire from alt to back battery or would it be fine to just run it from my front battery? I ask this because I read it ain't good to run 2 different brands of battery's. and do I need to fuse it in between the back battery and the amp?

(2) PSI p2 18's

Crescendo 2000

Audio Technix 0 gauge/ SHCA 0 gauge

Pioneer AVH-P2400BT

yellow top optima

big 3 .

xs batt.

Posted

I made that thread like 3 weeks ago? I was just checking

(2) PSI p2 18's

Crescendo 2000

Audio Technix 0 gauge/ SHCA 0 gauge

Pioneer AVH-P2400BT

yellow top optima

big 3 .

xs batt.

Posted

They weren't trying to punk you, first thread is fine.

Both are AGM batts. Wire single run from front positive to rear positive. Ground the rear battery to the frame (look up how to make a good ground). Positive from rear batt to + on amp, and neg on rear batt to ground on amp.

You should fuse the positive run between the rear battery and the amp. You should also fuse the positive wire between the two batteries. Ideally you want this wire fused in two places, within one foot of each battery.

For future reference you could find all of this info using the search function and reading. Also look into doing the big three if you havent already.

Team NorthWestSPL

Posted

some people are douchebags. Ignore em ;) But yeah, dude above answered your question. Positive on front batt. to positive on back batt. Don't need a fuse from batt. to batt., just a fuse from your second batt. to your amp.

-playing with different setups

Posted

some people are douchebags. Ignore em ;) But yeah, dude above answered your question. Positive on front batt. to positive on back batt. Don't need a fuse from batt. to batt., just a fuse from your second batt. to your amp.

Wrong! What happens if there if the wire grounds out on the chassis? please explain

 

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On 10/3/2013 at 10:00 AM, ROLEXrifleman said:

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