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DIY CUSTOM Battery Relocation!

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Old Apr 13, 2012 | 07:04 AM
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DIY CUSTOM Battery Relocation!

So on my day off I got bored and decided to make some space for my custom UICP...

Just wanted to document the change I did to my car...I will post a couple pics later...mainly a before and after picture...

Also wanted to share how cheap this mod is to do!

Supplies (EVERYTHING was bought from the local parts store O'Reilly Auto Parts):
Marine Battery Box ($12.99)

Battery cable 2 Gauge - I bought 15ft. of it but wish I had at least another foot...I made it work...but I had to be stingy with the cable...lol the 15ft I had was enough to make the positive connection and a ground cable in the trunk. ($2.25 per foot)
Battery Terminals 2 @ ($3.19)

Copper Connector Ring for 2 Gauge Wire ($2.99)

Random nuts and bolts/screws and zipties.

Step 1. Disconnect and pull the battery out of the car (10mm)

Step 2. Pull battery tray (12mm and 10mm)

Step 3. Run the whole length of cable leaving 2 feet of extra cable in your trunk.
I opted to run the positive connection underneath the car following the fuel and brake lines.

Step 4. Mount the battery box in the trunk. Your choice of where you want to mount it, I chose the Driver side, to the left of the spare wheel well. I used 4 nuts and bolts to hold the box to the trunk.

Step 5. Cut a section of the 2 feet you left in the trunk for a ground cable. Strip, and Crimp one connector on each of the wires. Then Strip and mount the terminals on the other end of the wire to lead to the battery. (Note in order to crimp those BEASTLY 2 Gauge Ring Connectors you should use a Vice!)

Step 6. Ground the negative cable to the bolt in the rear quarter panel. (10mm) The positive should be connected to the positive terminal in the engine bay by taking off the 12mm nut from the terminal and fitting the ring connector in there.

Step 7a. Put the battery in the box, Secure the terminals (Ground cable first)
Step 7b. As soon as you get your battery connected your trunk light SHOULD turn on. If it did, go ahead and start the car to soak up the awesome-ness of having a relocated battery...lol

Any questions? Ask
Pics will be posted later...


Last edited by tim85851; Apr 13, 2012 at 07:06 AM.
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Old Apr 13, 2012 | 10:24 AM
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To think I was just going to spend way over $100 on a battery box kit.......you just saved me some money. Thanks for sharing.
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Old Apr 13, 2012 | 10:27 AM
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yeah saved a CRAP LOAD of money finding parts at the local parts shop...
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Old Apr 13, 2012 | 12:26 PM
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Damn, thanks for sharing this! I think I found something to do this weekend!
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Old Apr 13, 2012 | 02:33 PM
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no circuit breakers in between the cable?
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Old Apr 13, 2012 | 03:01 PM
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You can also use welding cable. That can be had pretty cheap also..
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Old Apr 14, 2012 | 04:52 AM
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Originally Posted by grim~
no circuit breakers in between the cable?
nope...i didnt see the need for it.
If you look at what a Taylor battery relocation kit includes, you'll see why I went the route I did...
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Old Apr 14, 2012 | 04:55 AM
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in for pics.... when my mini batt finally takes a **** I was going to do a full size optima in the trunk as well..
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Old Apr 14, 2012 | 08:52 AM
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Def need a circuit breaker in-line, its just for safety. They are cheap, around $25 for piece of mind.

I did mine, but I used a ground stud to make the connection on the OEM +12v connector.

Vic

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Old Apr 14, 2012 | 09:03 AM
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Originally Posted by Pirana
Def need a circuit breaker in-line, its just for safety. They are cheap, around $25 for piece of mind.

I did mine, but I used a ground stud to make the connection on the OEM +12v connector.

Vic

Excuse me, but is that an uninsulated positive terminal 3mm from the strut tower .
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Old Apr 14, 2012 | 09:40 AM
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Nice man your battery tray setup looks clean. When I did mine I used the taylor relocation kit box which is aluminum, now if you plan to track your car you gotta install a battery cut off switch. Any plans to install that, if you do make a thread on that, as I cant go on a drag strip anymore till I install mine, im too lazy to go through the headache of installing it haha.
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Old Apr 14, 2012 | 10:55 AM
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Lol. Not anymore. I used a selfadhesive soft plastic to glue over the strut tower and trimmed the OEM red cover to protect the wire

The battery cutoff, it just goes inline with the positive wire. Easy.
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Old Apr 14, 2012 | 11:27 AM
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Originally Posted by 0E3vobutt3r
in for pics.... when my mini batt finally takes a **** I was going to do a full size optima in the trunk as well..
with the optima, you can lay it on the side and use the spare wheel space for the battery
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i ran my cables (welding cables) trough the car...
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Old Apr 14, 2012 | 11:32 AM
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very nice wouldn't even take up any room then
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Old Apr 14, 2012 | 11:50 AM
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From: Norcal
Originally Posted by kikiturbo
with the optima, you can lay it on the side and use the spare wheel space for the battery

i ran my cables (welding cables) trough the car...
Awesome! What model optima is that?
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