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Old 02-24-2009, 02:44 PM   #1
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1965 17' Caravel
Topsfield , Massachusetts
Join Date: Feb 2009
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6v & 12v

I recently purchased a 1965 Caravel which I would like to tow with my restored 1940 GMC. The Caravel is 12 volt and my pickup is 6 volt. Does anyone have knowledge of this issue and how to make it work?

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Old 02-24-2009, 03:13 PM   #2
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2005 39' Land Yacht 390 XL 396
Common Sense , Texas
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The only practical way to do it that I am aware of is to change the GMC over to 12 volts.

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Old 02-24-2009, 03:15 PM   #3
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1991 34' Excella
Princeton , New Jersey
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Have you considered converting the truck to 12 volts? You will have to swap all the light bulbs, head lights included. Maybe installing a load resister for the radio if you want to keep the original.

The starter should work.
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles

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Old 02-24-2009, 03:20 PM   #4
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1959 26' Overlander
Putnam , Connecticut
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A series of relays that close with 6 volts and allow the 12v item to be energized would be the over the top way to go. Forget about charging the trailer battery on going down the road. The wires aren't heavy enough anyway.
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