Finished my battery relocation with cutoff switch and fuel pump rewire (PICS)

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ForcedInduction

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Dec 26, 2006
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Chicopee, MA
First off, I want to thank Joliroger4 for giving me great step by step instructions and answering any and all of my questions. Thanks a lot!

It took me quite some time to finish it up, but it was mostly because of lack of time and because the car is my daily driver. A couple weeks ago I finished college and I was able to have my dad bring me to work and back(I work with him), so I actually took the car down for 2 weeks.

Hardest part about this was definitely the wiring as I'm not very good with electrical stuff and another thing is sourcing all the parts. By the time I was done they already knew me at AAP and Autozone because I was there pretty much everyday, buying connectors, wiring, shrink wrap, etc.. I also had to do a great deal of ordering stuff online, like 6awg butt connectors, circuit breaker, etc..


I ended up using the blue plastic Moroso sealed box, Jeg's battery cable kit, Jeg's 300A Push Pull disconnect switch kit, Jeg's fuel pump relay kit, Xscorpion 100 AMP Circuit Breaker for the alternator, misc wiring, tons of different sized connectors, shrink wrap, etc..


First I found myself a place for the battery box. Then I had to drill two holes on the bottom of the box and drop the fuel tank and drill another 2 holes in the chassis and secure the box to the chassis. Then I routed two 2AWG cables through the little room between the framing and the driver's side rear passenger armrest plastic. Then if you pry up the carpeting you will notice that there is a ducting made for your eletrical wires that run along the edge of the carpeting. Then I drilled 2 holes in the steering column cover and fed the cables through and the cables end up being right under the brake booster. Then I found a place for my disconnect switch and mounted it. Then I drilled holes for the battery cables and vent tubing in the box. After that I started wiring everything up to the disconnect switch and battery. Then I routed the cables in the engine bay to the starter and alternator and I used a 100 AMP Circuit Breaker on the wiring for the alternator. After that I rewired the fuel pump with a relay and ditched the stock relay and resistor. I had to route a 10AWG cable from the engine bay to the battery box in the rear for the fuel pump control wire. Well those are pretty much the main points, although there's more involved. Sometime later on I will cut a hole in my pass side taillight for the disconnect switch bar, which I have a spare taillight for. So all I would have to do is push on the bar and the car will shut off per NHRA rules.


Anyway now on to the pics. All of my fuel pump wiring and relay is inside my battery box, I didn't feel like taking the cover off as it takes some time to do.


p689669_1.jpg


Sideways picture of the disconnect switch and some of my fuel pump wiring.

p689669_2.jpg



I fed the wiring through here

sm_photo_missing.jpg


Then here

sm_photo_missing.jpg


This is where the wiring comes out

sm_photo_missing.jpg


Connection on the starter

p689669_3.jpg


Circuit breaker

p689669_4.jpg


No more battery!

p689669_5.jpg


Alternator cable going underside of the engine to the alternator

p689669_6.jpg


No more battery terminals

p689669_7.jpg


Diagram of what I did

p689669_8.jpg
 
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NashMan

WTF did he just wright ?
Aug 5, 2005
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dude you breaker is to far away for poper setup


you suppost to have the fuse/ or breaker close as possible to the battire

plus sliping the cable under 2 sheet of steel wiht no gromets will possibel ground out over time and possbliy catch fire if you breaker fail's

kill switch has to out side of the car for it to be proper and leag in race events and monted to steel


any ways there s the rules of the game
 

ForcedInduction

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Dec 26, 2006
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Chicopee, MA
I will take care of that later, the cables going through sheet metal. Also if you actually read my post I will have a "push off" bar coming off my taillight for when I go racing.
 

bigaaron

Supramania Contributor
Apr 12, 2005
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Having the breaker near the battery is the most important thing. It shouldn't be too hard to relocate, just pull the cable through about another foot, and put the short cable to the battery from the breaker.
 

jetjock

creepy-ass cracka
Jul 11, 2005
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^ Me too ;)

Hard to tell but the wiring looks undersize for the length involved. *Edit* 6 awg? Too small. Add some overcurrent protection at the battery. Boots and grommets where required. You should've run the ground to the block first and then the chassis. Because you didn't I hope you at least added a big bonding wire from the block and chassis up front. If not the starter current is going to find some other way back home. I've seen it fry speedo cables, metal lines, motor mounts, on and on. Racing rules aside there's a lot electrically wrong with that install. I've seen worse though, much worse.

Maybe it's the photos but it looks like that cut off switch only cuts off the starter. Isn't it supposed to kill all power?
 

ForcedInduction

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Dec 26, 2006
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Chicopee, MA
Switch cuts everything. I am also using 2AWG cable, where did you get 6AWG? I will add another circuit breaker by the battery later on and take care of the bare wiring by the firewall. Meant to install grommets there, but somehow forgot.
 

jetjock

creepy-ass cracka
Jul 11, 2005
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Redacted per Title 18 USC Section 798
It was the 6 awg butt connectors that caught my eye in your post. My bad. 2 awg is good. There's some decent craftsmanship there just that from an electrical theory it's a bit lacking. I still don't see how the switch cuts off everything (the photos show it switching only the yellow wire) but I'll take your word on it.
 

ForcedInduction

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Dec 26, 2006
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Chicopee, MA
The other blue wire off the Disconnect switch goes to the battery + and so does my alternator wire(The long blue one). The 6AWG butt connectors were used for the stock battery wiring up front. I cut off the terminals and joined the wires.

It's funny how everybody is pointing things out now, but when I asked for help nobody posted. Joliroger4 was the only one that was able to help me, although I was the one who came to him.
 

jetjock

creepy-ass cracka
Jul 11, 2005
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Redacted per Title 18 USC Section 798
One of us remains confused. I can see how it's wired. What I don't see is how the switch turns off anything but the starter. As for getting help, like Aaron I don't read many posts. In fact I don't see a lot more than 25%. There are so many people on my ignore list that often when I open a thread half the time all I see is a few posts. Since you're not on it I must have missed your original one. That said we're trying to help now.

Edit: Ok, so you're feeding the fuse box from the starter? Bad.
 

flubyux2

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Apr 2, 2005
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thats the wrong battery cutoff switch in the wrong place w/ the wrong size wire and the wrong routing and the wrong location for the circuit breakers.

heres my photo gallery of my battery relocation, use it for comparison. there are other pics of stuff in there too. the battery reloc pics start on the 2nd page. enjoy! try and find something wrong w/ my stuff!
http://www.tamparacing.com/photopost/showgallery.php?cat=3439
 
Apr 1, 2005
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WA
some plastic split-loom is cheap and should keep it from fraying, but still use grommets anywhere it passes through sheet metal holes.

also, i agree with jetjock. it apears as your switch is wired wrong. just so we understand, your wiring looks like this:

alternator <> breaker <> batt + <> switch <> starter
with the main fuse box also hooked to the breaker.

the only way to hook this up with a single-pole switch is to do the same setup but hook the main fuse box to the starter. idk, maybe thats what you did and the pictures just dont show it.

there are at least two other ways to wire it if you have a dual-pole switch but i dont want to confuse the issue here.
 
Apr 1, 2005
254
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WA
wait. jetjock says feeding the fusebox from the starter is bad. i dont see why.

well ok. there are two ways to do this with a single pole switch.

#1 put alternator/battery on one side of switch and starter/fusebox on the other or
#2 put alternator/starter/battery on one side and just the fuse box on the other
 
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