battery relocation help
I done a bunch of searching and dont understand this. When relocating the battety to the trunk why do people run the positive to the starter what is the reason for that..
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Originally Posted by sauceyI986
(Post 4102848)
When relocating the battety to the trunk why do people run the positive to the starter what is the reason for that..
If you connected the battery's negative terminal to the starter, how would the starter motor receive any voltage? Think of the basics on how electricity flows and you'll understand why. |
Ok that makes real good sence so if that positive terminal is going the starter would there only be one negitave cable going to the back to the trunk that connects to the battery.
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The starter itself is grounded to the body/transmission, so it doesn't have a "negative cable" running from it.
Remember... the negative side of the battery is connected to the car body/frame. |
Just run the negative and positive from the battery wires in the engine bay. it's not that hard to do.
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Here is the way I did it. On the stock battery, you have 2 positive wires. One for the engine bay and the other to the starter. When relocating the battery, I connect the 2 postive wires and then run a positive wire from the battery to the starter. The start now obviously has power and because the stock starter positive wire that ran to the battery is now connected to the second (engine bay) positive wire, we have power everywhere.
Running positive and negitive wires from under the hood all the wya to the trunk will add extra cost, weight and complexity of getting the wires ot of the engine bay. For the ground wire, you can just round the battery to the frame in the trunk, or you can run the negative wire to the block near the starter. |
Thanks it makes a lot of since to me now
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Originally Posted by sauceyI986
(Post 4103215)
Thanks it makes a lot of sense to me now
Spelling corrected, just wanted to do it...lol |
I plan on doing a relocation today. I will run the negative from the battery to the body.
Does the negative from the old battery connection point go back to the body or does it need to go to the engine block? |
Originally Posted by skc
(Post 4127645)
I plan on doing a relocation today. I will run the negative from the battery to the body.
Does the negative from the old battery connection point go back to the body or does it need to go to the engine block? |
When relocating the battery to the trunk is their a certain spot thats best to put it?
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preferably on the passenger side to help counteract the added weight from the driver.
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Originally Posted by paimon.soror
(Post 4129084)
preferably on the passenger side to help counteract the added weight from the driver.
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Originally Posted by Highway8
(Post 4129093)
Some people put it as far back and to the side as possible. I put mine directly over the axle and used the rear strut brace bracket/bolt for grounding, just be sure to use an unpainted bracket.
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Originally Posted by paimon.soror
(Post 4129097)
Yup, that's where I plan on bolting mine to. Last thing you need is a battery fastballing through your windshield in the event of a collision.
A tip to anyone using a lightweight racing battery. Invest in a good smart charger, the racing batterys do not like to be ran dead and they tend to discharge faster 9whole sitting) then traditional 30lb batteries. Also, if you have some sort of OBD2 reader display that stays connected all the time, most have a small draw on the battery. 3 days sitting will almost kill your racing battery. Do that a few times and the battery will be trashed. My solution is to pop my trunk, hook up my charger and charge the battery after every drive. If I am DD the car I dont do this, but I have not DD my car in a while. |
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