Battery relocation

aep886 · Post by **aep886** » Wed Mar 16, 2011 8:24 pm

guys...

i need some info on the battery relocation....
what cable should i use? do i really need a box for it?
and what connector ...ect....

Adrian · Post by **Adrian** » Wed Mar 16, 2011 11:11 pm

I wana do this on my s 13 also
I guess if the bat is tied down properly you don't need a box
The bmw's have it in the wheel well

aep886 · Post by **aep886** » Thu Mar 17, 2011 12:02 am

Adrian wrote:I wana do this on my s 13 also
I guess if the bat is tied down properly you don't need a box
The bmw's have it in the wheel well

^^ i know BMW got behine the wheel... ^^ coz i own one!

Adrian · Post by **Adrian** » Thu Mar 17, 2011 12:11 am

I know you have 1
But they not in a battery box so why would you need 1

aep886 · Post by **aep886** » Thu Mar 17, 2011 12:23 am

becoz BMW has a compartment for the battery... just like a box...
so ... just wondering if i really need one...

Adrian · Post by **Adrian** » Thu Mar 17, 2011 12:36 am

Yea its kinda of a box but its still clamped down so if you clamp the bat down and have one of those positive terminal covers it should be fine

djtreble · Post by **djtreble** » Thu Mar 17, 2011 12:43 am

You don't need a box, but you need a way to clamp it down for obvious reasons

aep886 · Post by **aep886** » Thu Mar 17, 2011 1:41 am

so the battery dont jump up and down and explode?

Charlvdw · Post by **Charlvdw** » Thu Mar 17, 2011 7:02 am

Boat shops sells boxes with straps for fastening them down.

hentiebez · Post by **hentiebez** » Thu Mar 17, 2011 8:56 am

best is to put it in a box, no mess to destroy you car and it looks neat

POWDER · Post by **POWDER** » Thu Mar 17, 2011 9:08 am

Hey guyz, you will require 0ga cable to move the battery, this is due to the extra length causing resistance on the standard 4ga cable.

The box is a good idea to keep any battery acid leaks from ruining your paint n metal at the back, plastic box being the best for obvious reasons......

Make sure to bolt the neg. Terminal directly to the chassis at the back with a short as possible cable also being 0ga.

For the Pos. 0ga cable, it is best to not mess with your original harness, so lay it all the way to the front and solder and clamp to the original pos. 4ga cable as close to the first split as possible.

A good idea would also be to use NEW terminals on the battery it self to improve connection, especialy if the original ones have corrosion or acid residue on them...

Hope this helps.

I have sofar upgraded the existing power ground and pos. And trust me, the Pos. Harness will drive u mad if replacing totally.... Connection, connection, connection.... Must be done right, no shortcuts.....

Am looking at doing rear battery myself soon.

Post pics when you done.....

EDIT: P.S. Run the cable down the left side if you still wanna install sound. Can not run on same side as RCA's and most power wires run on the left so keep it uniform.

nirvash · Post by **nirvash** » Thu Mar 17, 2011 2:34 pm

you can get boat battery boxes for like under R200 i think, so mite as well
its what i got

Charlvdw · Post by **Charlvdw** » Thu Mar 17, 2011 2:37 pm

nirvash wrote:you can get boat battery boxes for like under R200 i think, so mite as well
its what i got

I paid something like R75 for mine.

aep886 · Post by **aep886** » Thu Mar 17, 2011 6:48 pm

POWDER wrote:Hey guyz, you will require 0ga cable to move the battery, this is due to the extra length causing resistance on the standard 4ga cable.

The box is a good idea to keep any battery acid leaks from ruining your paint n metal at the back, plastic box being the best for obvious reasons......

Make sure to bolt the neg. Terminal directly to the chassis at the back with a short as possible cable also being 0ga.

For the Pos. 0ga cable, it is best to not mess with your original harness, so lay it all the way to the front and solder and clamp to the original pos. 4ga cable as close to the first split as possible.

A good idea would also be to use NEW terminals on the battery it self to improve connection, especialy if the original ones have corrosion or acid residue on them...

Hope this helps.

I have sofar upgraded the existing power ground and pos. And trust me, the Pos. Harness will drive u mad if replacing totally.... Connection, connection, connection.... Must be done right, no shortcuts.....

Am looking at doing rear battery myself soon.

Post pics when you done.....

EDIT: P.S. Run the cable down the left side if you still wanna install sound. Can not run on same side as RCA's and most power wires run on the left so keep it uniform.

i was told... 4 or 8 guage cable for postive and 0 guage for negetive...

Daniel · Post by **Daniel** » Thu Mar 17, 2011 7:22 pm

8 gauge is way too thin, 4 gauge will work.

I have 25mm2 cable, rated at 1000V 225A. would do just fine.