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Re: Moving Battery to trunk, do you have to have a shut
[Re: MoparforLife]
#193354
01/17/09 07:08 PM
01/17/09 07:08 PM
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Joined: Jan 2003
Posts: 4,852
KENTUCKY
69CHARGERMD
master
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master
Joined: Jan 2003
Posts: 4,852
KENTUCKY
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Quote:
Granted it isn't legal to hook it up the way I mentioned in the post above as it would not kill power as long as the engine is running off alternator output
Dont like the sound of that   ,Worse case scenerio ,eg ,Motor running,,,crash or accident occurs down track,,,,motor still running or fire,,,,driver might not be able to shut off ignition inside car ( cant reach it,,or too dazed to shut it off) ,,,,track personal run up to car to help,,,, track personal cant kill car with switch on back of car ??
Last edited by 69CHARGERMD; 01/17/09 07:10 PM.
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Re: Moving Battery to trunk, do you have to have a shut
[Re: MoparforLife]
#193355
01/17/09 08:00 PM
01/17/09 08:00 PM
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Joined: Jul 2005
Posts: 512
Illinois
Mopar_Ray
mopar
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mopar
Joined: Jul 2005
Posts: 512
Illinois
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Quote:
Oh master electrical god, it is dead with the switch in the off position when wire it to the off side of the switch so it is only connected with the switch in the on position. Ever think of that oh brilliant one.
OK another question I wish I never asked!   
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Re: Moving Battery to trunk, do you have to have a shut
[Re: 69CHARGERMD]
#193356
01/17/09 08:24 PM
01/17/09 08:24 PM
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Joined: Jan 2003
Posts: 25,200
Upper Midwest
MoparforLife
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,200
Upper Midwest
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Quote:
Quote:
Granted it isn't legal to hook it up the way I mentioned in the post above as it would not kill power as long as the engine is running off alternator output
Dont like the sound of that ,Worse case scenerio ,eg ,Motor running,,,crash or accident occurs down track,,,,motor still running or fire,,,,driver might not be able to shut off ignition inside car ( cant reach it,,or too dazed to shut it off) ,,,,track personal run up to car to help,,,, track personal cant kill car with switch on back of car ??
Like I said it ain't legal but have seen it done because they hook it up that way and it is dead. They turn it on and things work. They turn engine off with ignition switch, hit main and all is dead. A lot of people don't try to hit the main with the engine running to see if it will kill everything and just take for granted that because it is dead when it is off and alive with the ignition on it is right and track legal, when in reality it isn't. Yes every thing is dead when when everything is shut down. But not when you need it.  Point I was trying to make is that there are many ways to hook up the main, some may work but not be racing legal but everyday functional and a theft deterent or what ever and there are also several race legal ways to hook up a main.
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Re: Moving Battery to trunk, do you have to have a shut off
[Re: PLUM BAD]
#193357
01/17/09 08:58 PM
01/17/09 08:58 PM
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Joined: Nov 2003
Posts: 7,348
Mt.Vernon ,Ohio
VernMotor
master
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master
Joined: Nov 2003
Posts: 7,348
Mt.Vernon ,Ohio
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Quote:
I made mine so the switch can be turned off and on from inside the car or behind it. I can't count how many times I got in and forgot to turn on the power.  Not any more.
Awsome ! Idea of the month ! Thank you !
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Re: Moving Battery to trunk, do you have to have a shut off
[Re: 383man]
#193359
01/17/09 11:12 PM
01/17/09 11:12 PM
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Joined: Jan 2003
Posts: 549
Bristol, Va
fasteddie
mopar
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mopar
Joined: Jan 2003
Posts: 549
Bristol, Va
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Good Lord! Some people make even the simplest things complicated and fight about it.
Call Mark at Mad electrical and he will supply you with all you need, wiring, relays, and most important, instructions.
Wire it the way he says in the supplied instructions and you will be safe and legal.
2003 Bristol Dragway Sportsman Champion
2016 Bristol Dragway Power Hour Champion
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Re: Moving Battery to trunk, do you have to have a shut off
[Re: NTOLERANCE]
#193362
01/18/09 10:53 AM
01/18/09 10:53 AM
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Joined: Apr 2004
Posts: 12,339
somwhere
smokinwoody
I Live Here
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I Live Here
Joined: Apr 2004
Posts: 12,339
somwhere
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Quote:
My disconnect switch had 4 terminals on it. One set is large for the main battery cable, and one set is small for the alternator batt wire. I run a smal jumper from the battery larger terminal, to the small terminal. The other small terminal goes to the alternator.
No relay needed.
I hope those little terminals are rated for more than 30 amp..most alternators put out at least 60A and average is 80A...usualy those smaller terminals would be reserved for the ignition which is a great idea...I use mine that has 2 poles for ignition and I use a solonoid for disconecting the power from the alternator so I dont have any HOT wires leaving the Trunk/battery area...and when the switch is OFF...its all OFF..
there are other ways Im sure...I believe there maybe a switch that has the two poles rated for the higher amperage
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Re: Moving Battery to trunk, do you have to have a shut off
[Re: smokinwoody]
#193363
01/18/09 11:00 AM
01/18/09 11:00 AM
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Joined: Aug 2003
Posts: 4,384
Madison Wi
NTOLERANCE
master
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master
Joined: Aug 2003
Posts: 4,384
Madison Wi
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This switch is from an industrial application. ITs all copper contacts inside, and while the terminals do seem small, I dont anticipate a problem. I dont have alot of power accessories. Headlights would be my biggest concern.
I used to care but....... things have changed
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Re: Moving Battery to trunk, do you have to have a shut off
[Re: smokinwoody]
#193366
01/18/09 02:30 PM
01/18/09 02:30 PM
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Joined: Apr 2005
Posts: 12,271
Overpriced Housing Central
RobX4406
I Live Here
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I Live Here
Joined: Apr 2005
Posts: 12,271
Overpriced Housing Central
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Quote:
Quote:
My disconnect switch had 4 terminals on it. One set is large for the main battery cable, and one set is small for the alternator batt wire. I run a smal jumper from the battery larger terminal, to the small terminal. The other small terminal goes to the alternator.
No relay needed.
I hope those little terminals are rated for more than 30 amp..most alternators put out at least 60A and average is 80A...usualy those smaller terminals would be reserved for the ignition which is a great idea...I use mine that has 2 poles for ignition and I use a solonoid for disconecting the power from the alternator so I dont have any HOT wires leaving the Trunk/battery area...and when the switch is OFF...its all OFF..
there are other ways Im sure...I believe there maybe a switch that has the two poles rated for the higher amperage
I agree with Woody. What is it's rating?
Also, what is the cost of the 4 post compared to a 2 post and relay. My 2 post switch cost right at $20-25 and the relay is $13-15.
I run very fine strand wire from the Alt to the relay. No matter if you run a relay or not, you'll have drop for the longer run.
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Re: Moving Battery to trunk, do you have to have a shut off
[Re: RobX4406]
#193367
01/18/09 09:30 PM
01/18/09 09:30 PM
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Joined: Aug 2003
Posts: 4,384
Madison Wi
NTOLERANCE
master
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master
Joined: Aug 2003
Posts: 4,384
Madison Wi
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I thought the 4 post switch was like $30.00 Been awhile since I bought it. I cant find it in my catalog now. I am running welding cable for the battery/power cable.
I used to care but....... things have changed
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