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24volt engine into 12volt Jeep

General Tech Talk

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24volt engine into 12volt Jeep

Post by Jeepo »

G'Day ..

I'm putting an Isuzu 6db1 into my j200, the engine is 24volt, the j200 is a camper and I don't want to convert it to 24volt.

Hoping you guys may be able to help

Should I convert the engine to 12volt? Will it still crank over on 12 volt? Or should I try to have a dual voltage, 24v to engine, 12v to body?

Thanks
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Post by beinthemud »

Hmm thats why Jeeps are no good they have electric engines

Just change the electric bits to what you want
12volt in this case
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Post by Jeepo »

beinthemud wrote:Hmm thats why Jeeps are no good they have electric engines

Just change the electric bits to what you want
12volt in this case
Yeah thanks, that was my first thought to. But I'm wondering if 12v will crank over a 5.9l diesel. No doubt they make em 24v for a reason and considering it'll be about $700+ bucks to convert it deserves some consideration.
Thanks again
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Post by frp88 »

I would run 2 alternators just like winch guys do . You still have the Jeep 12 one and isuzu has the 24 on it would be cheaper then inverting I would think.
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Post by Jeepo »

frp88 wrote:I would run 2 alternators just like winch guys do . You still have the Jeep 12 one and isuzu has the 24 on it would be cheaper then inverting I would think.
Now that sounds like a budget idea!
Anybody know if there will be a problem if the 24v earth runs through the entire vehicle? Or do I have to isolate the engine from the body? (If possible)
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Post by PJ.zook »

Using same earth wont be a problem.
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Post by Bush65 »

You will probably find that the alternator has the vacuum pump that might be needed for your brakes.

I would keep the 24V starter and alternator. Use 2 x 12V batteries in series for 24V, and take power off the lower 12V battery for the other vehicle electrics. Then you will need one of these Redarc Charge Equalisers http://www.redarc.com.au/ce-techspec.htm
John
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Post by ISUZUROVER »

Bush65 wrote:You will probably find that the alternator has the vacuum pump that might be needed for your brakes.

I would keep the 24V starter and alternator. Use 2 x 12V batteries in series for 24V, and take power off the lower 12V battery for the other vehicle electrics. Then you will need one of these Redarc Charge Equalisers http://www.redarc.com.au/ce-techspec.htm
What John said.

I know someone with a 24V truck 4BD1T in a range rover. If I recall correctly he fitted a 12V alternator with vac pump, but kept the 24V starter as a 12V starter was too $$$. He has a device similar to the redarc which connects the 2 batteries in series only on startup.
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