Relocating battery to the trunk

[Her69fastback 3]

I’m moving the battery to the trunk of the car. I have searched the great web there’s a ton of them. Wanting to find out what kit is the best. One that comes with cables & everything todo the job. Thanks for the help 

[EastYorkStang 63]

I got mine from Summit. 

[Her69fastback 3]

I looked at there’s. 

[lalojamesliz 56]

I have always used welding cables, heat shrink with the glue inside and a hydraulic crimper. 

Kits are nice but much better wires with welding cables

[Vicfreg 771]

I used an Optima battery with an off road mounting bracket.  I also mounted my main disconnect switch, maxi fuse, and starter solenoid there.  Will post some pics and a diagram of my power distribution and grounding systems fyi.  Used military surplus Hummer battery cables, found on Ebay.  

I used large welding size cables and crimped/heat shrink my own lugs for the main power feed and starter feed.

 

Power Distribution.pdf starter power wiring.pdf ground bus distribution.pdf

[Vicfreg 771]

Example of Mil Spec battery cable

2 ea 24 inch BATTERY CABLE HEAVY DUTY MILITARY hotrod SPARTAN 1037-GG5-1TE024 | eBay

 

 

[Her69fastback 3]

Thanks that’s a nice set up 

[Mach1 Driver 560]

At what location is the last picture, and what are we looking at? Nicely done by the way- I like your organization.

[Vicfreg 771]

Yeah, that picture is really not clear.  That is my starter wire feed bulkhead connection that is in the top of my passenger side fenderwell.   In the picture above it, you can see the large red wire that goes to a 90 degree red connector. That is actually an insulated bulkhead connector. The other side is in the passenger side fenderwell. That is what this picture is.  The black wire coming out of the 90 degree connector in the fenderwell is the feed to the starter.   

The other red wire that just happens to be in the picture is a power feed from my firewall power block to a power block that is mounted on the inside of the radiator support on the passenger side.  All my wiring and cables are run in the fenderwells.  Some pics below.

 

 

[Vicfreg 771]

Result is no wires in the engine compartment except for those that run on the engine back to the firewall.

 

 

[staffy 87]

That’s great work on the battery/wiring, I think you’ve sold me on relocating it to the trunk 

[Vicfreg 771]

A bit of work, but frees up the engine compartment space for your digital ignition box, fan controller, etc.

Make sure you adequately fuse the wiring going up front.  If I were to do it again, I would probably mount the starter solenoid on the front of that black plate in back of the battery, to make it more accessible.  I also considered using a remote control disconnect. Ron Francis makes one, and it is pretty slick.  Also might have considered a Bosch continuous duty starter solenoid. They are a little pricey, but are rated for 24 volts at 80 amps.   As you know, the Ford solenoids are not that sturdy......

If you are going racing, my method is NOT NHRA legal.  That requires a push/pull switch and some other stuff.

Also, If you don't use an Optima style battery, you will need to get a vent kit, and deal with that.

Good luck, post some pics!

 

[EastYorkStang 63]

Does the battery have to be enclosed if its in the trunk ? Want to put mine just behind the seat above the axle. 

[Her69fastback 3]

If your drag racing it does. Street car no