Need Help With Rear Battery

[lilsolo68]

heres the deal. im in the process of adding a mids/highs amp and a redtop in the rear. so far ive rearranged the amps under the seat like i want them and ran all the speaker wire. im now waiting for the battery to get here but i want to have all the wire ran while im waiting. my question is how do i connect the battery to the system. do i have to ground each amp individually or just ground the batt and run 2 wires from the neg. to the amps. also you should know that the batt is coming with 2 dual 1/0gauge terminals.

 

[TnTahoe]

run (+) to (+) with two inline fuses from front batt to rear batt, and you can ground the rear battery to a good spot in the rear, run ground from amp to (-) on rear battery

 

[lilsolo68]

so the inline fuse i have under the hood will serve as the first fuse, then i have to add another before i connect that same line to the 2nd batt? what about this 24v im reading about. how do i prevent that?

 

[AV8ter]

Are you running 1/0 to the rear batt? If not, you really need to be. You need a fuse on the positive right off the front batt, and a fuse on the positive right off the rear batt. You need to make a really nice ground directly to the body of chassis rail for the back batt. REAR SEAT BOLTS DO NOT COUNT! I have had a friend blow up his brand new pioneer headunit and his 3kw amp because the rear seat bolt was such a bad ground that the amp ended up grounding through the RCAs.

Ideally you would also run a 1/0 run to the back connecting the negative of both batts together. You can connect each amps individually to the batts now, both positive and negative, but you must fuse each amp right off the battery.


Just curious, what amps are you running?

 

[lilsolo68]

damn so that a total of 4 inline fuses? right now i have some 4 gauge power wire that was ran from my 1st batt to my sub amp and i thought about using that to connect the 2 batts. my amps are a hifonics brutus bxi20006d for the subs and a hifonics zues zxi6408 for the mids/highs and i'll be pushing a 1000wrms to each sub (dc level 3 12s with level4 vc/dual 1ohms/built to spec box).

---------- Post added at 04:36 PM ---------- Previous post was at 04:34 PM ----------

where is a good spot to ground to. i had the sub amp grounded under the access panel directly behind the 2nd row seat and i think its a bolt that connects the body to the frame.

 

[AV8ter]

where is a good spot to ground to. i had the sub amp grounded under the access panel directly behind the 2nd row seat and i think its a bolt that connects the body to the frame.

A lot of people have their own opinions about this but I would just go ahead and run a positive and negative run of 1/0 to the back(you absolutely need to upgrade to 1/0 with both of those amps). That will essentially be a perfect ground.

You are going to have to order a balls load of 1/0 anyway for the positive and the Big III that you should be doing. Get it from knukonceptz.com


Kevin

 

[tast101]

why not just put the extra battery under the hood, so it's out of the way.

 

[lilsolo68]

why not just put the extra battery under the hood, so it's out of the way.

well i dont have a whole lot of money nor do i want to spend a whole lot of time if i dont have to. i just wanna do this the quickest cheapest way while still keeping everything safe. i would love to do the big three and run a ton of wire through my kon but im just a lil lazy. but i got the information that i was looking for already. thanks for all your input.

 

[WoldD90]

Even if it costs a bit more, do it right the first time, do not skimp on safety or quality.

You would be safer putting the battery under the hood. All batteries, even an Optima will release a little gas into your truck.

 

[Anthony]

+1, save some extra cash and put it under the hood and use a battery isolator too.