32 volt to 12 volt resistor?

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dreamline

Member - Posts: 1

Joined: December 15, 2006

Location: United States

Posted: December 15, 2006 at 5:03 PM / IP Logged

Can someone tell me what size resistor I would need?

My boat has a 32 volt electrical system, but I can only get 12 volt gagues now.

Thanks! Dan

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i am an idiot

Platinum - Posts: 13,667

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: December 16, 2006 at 4:47 PM / IP Logged

A resistor is definitely not the way to go. Do you know how much current the guages need? Radio Shack sells a 12 volt regulator that is good for 1 amp. you can parallel them for more current.

There is a diagram on the package but if you need help let us know.

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jkwylde

Member - Posts: 5

Joined: January 22, 2007

Location: United States

Posted: January 28, 2007 at 8:08 AM / IP Logged

ok, a resistor could let the things work, but you'd be a lot better off with a transformer with a 3 to 1 turns ratio.

bangin old school since it was new

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fakepete

Copper - Posts: 99

Joined: April 21, 2002

Location: United States

Posted: February 23, 2007 at 2:36 PM / IP Logged

Transformers do no work with DC, only with AC.

Are you sure the voltage is 32v? I would think it would be 36v, which is what you get if you wire three 12 volt batteries in series. If this is the case, you can get 12 volts for the guages from one of the batteries.

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32 volt to 12 volt resistor?

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