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  #1  
Old 19-08-10, 06:42
derk derin's Avatar
derk derin derk derin is offline
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Default 12 volt conversion

Hi Little Jo,
I bought a Ford GPW jeep last fall that had already been converted to 12 volts with an alternator fitted.The jeep sure starts nice but have not driven it much yet.One positive thing going to 12 volts is the fact that the headlights in 6 volt are drying up from what I have been told but the 12 volt ones are still available and reasonably priced.Here are some pictures of what I have in my jeep if it helps in any way;


I am glad you brought up this subject as I have to figure out myself what to do with the fuel guage to make it work on 12 volt system and anything else that has to be converted.
Regards,Derk.
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  #2  
Old 19-08-10, 10:26
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Tony VAN RHODA
 
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Location: Strathalbyn South Australia
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Quote:
Originally Posted by derk derin View Post
Hi Little Jo,
I bought a Ford GPW jeep last fall that had already been converted to 12 volts with an alternator fitted.The jeep sure starts nice but have not driven it much yet.One positive thing going to 12 volts is the fact that the headlights in 6 volt are drying up from what I have been told but the 12 volt ones are still available and reasonably priced.Here are some pictures of what I have in my jeep if it helps in any way;

I am glad you brought up this subject as I have to figure out myself what to do with the fuel guage to make it work on 12 volt system and anything else that has to be converted.
Regards,Derk.
Derk

Thank you for the update info and the pictures. I was wondering what type of alternator you have and if you had any modification made to install it in place of the large old 6 voly generator, The photo clearly shows how the alternator lines up with the water pump pulley, that was one thing I was wondering, how to line it all up, I also noted the fan belt looks as if it is not as wide as the original.

I supected starting would be better and I also think I will get better lighting for night driving. Could you advise the type/brand of alternator you have and also what type/brand 12 volt coil you have on your vehicle.

Thanks mate

Little Jo
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  #3  
Old 19-08-10, 11:21
Lynn Eades Lynn Eades is offline
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Default Jo and Dirk

I think you can buy H4 Halogen 6 volt bulbs and headlights that will fit in your shells.
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  #4  
Old 20-08-10, 09:58
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Lynn

Thanks mate, all this information is very much appreciated and gives me confidence to proceed.

Cheers Mate

Little Jo
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  #5  
Old 20-08-10, 17:28
derk derin's Avatar
derk derin derk derin is offline
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Default 12 volt system

Hi Little Jo,
I will be able to take some pictures for you on the weekend when I get a chance to work on the jeep and post them for you.
Derk.
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1942 Ford universal carrier Mk 1
1943 Ford 60 cwt long CMP ambulance
1943 Ford GPW 1/4 ton stretcher jeep
1943 Bantam T-3 1/4 ton trailer
BSA folding airborne bicycle ser#R5325 (early)
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  #6  
Old 21-08-10, 02:49
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Little Jo Little Jo is offline
Tony VAN RHODA
 
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Quote:
Originally Posted by derk derin View Post
Hi Little Jo,
I will be able to take some pictures for you on the weekend when I get a chance to work on the jeep and post them for you.
Derk.
Derk

That would be great and that will help making the conversion to 12 volts easier for me. All the guys with Jeeps I have spoken to here are still on the 6volt system and some have shown an interested in what I am doing.

Cheers

Little Jo
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  #7  
Old 21-08-10, 04:20
rob love rob love is offline
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I have had several jeeps which were converted with AC Delco (GM/Chevy) alternators. The regulator is internal, so there are only two wires to hook up, one to the battery and one to the ignition. If the pulley does not line up with the original jeep pulleys, the lower mount on the alternator can be cut back.
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