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Diesel Bomber
Joined: Mar 2007
Posts: 8,658
Likes: 504
From: Wisconsin
I always thought if you hook positive on one battery and negative on the other it would be 24v. But at the same time we are only 12v systems. Thanks for clearing this up for me.
I think
I think
BOMBARDIER
Joined: Apr 2007
Posts: 6,804
Likes: 319
From: Houston, Tx
Hooking 2 batteries in series you connect the neg - form battery A to the pos + of battery B with the neg - from B going to ground & pos + from A going to the pos + cable. That doubles the voltage but retains the same amperage.
I have considered running 4 6v batteries in my truck for greater storage capacity.
To answer the ? about the jumper cables: No
Both batteries are connected to the same ground so it doesn't really matter as long as you go neg- on one & pos+ on the other. All that hooking to the different batteries does is distribute the load so your not sucking off one battery.
I have considered running 4 6v batteries in my truck for greater storage capacity.
To answer the ? about the jumper cables: No
Both batteries are connected to the same ground so it doesn't really matter as long as you go neg- on one & pos+ on the other. All that hooking to the different batteries does is distribute the load so your not sucking off one battery.
Exactly, and for you DMax guys there is no primary or secondary battery. They are both tied to the same junction point.
Diesel Bomber
Joined: Jan 2008
Posts: 4,525
Likes: 103
From: Havre mt
a guy i just wired a trailer for did that he tried jumpstarting a vehicle with a trailer on it, he was trowing 24volts at it and fried the trailer wiring, it makes sence to do that to another 24v starting system like diesels but not 12volts.
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Diesel Bomber
Joined: Mar 2007
Posts: 8,658
Likes: 504
From: Wisconsin
See here we go again. I thought our systems were 12v but with 2 batteries for the extra amps. Right? I have jump started people before with my truck with no problems but now I won't do anymore because I guess I don't totally understand our system
BOMBARDIER
Joined: Mar 2007
Posts: 12,854
Likes: 1,112
From: Illinois?
By George I think I've got it, maybe, I hope, Kinda anyway.
Diesel Enthusiast
Joined: Mar 2007
Posts: 120
Likes: 20
From: Ramsey, IL
Rest easy guys, there is no way to throw 24 at someone if the batteries are tied in parellel, such as ours and every other dual battery light truck out there. The battery tie just won't allow 24 volts because they are tied neg to neg and pos to pos. Your cable placement doesn't matter providing you hook up a pos and a neg jumper cable to pos and neg lug in any combination. Like uncle said, do it how you feel comfortable, just don't let the vehicles run tied together.
Chris
Chris
Diesel Enthusiast
Joined: Oct 2007
Posts: 134
Likes: 8
From: Michigan
Running 24 volts shouldn't damage any wiring. It would damage the bulbs & that is not a given, I have seen 12v bulbs run for a couple of days in a 24v system. Amperage is what determins the size of the wire, not voltage.
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