Re: OT-Truck Charging System

Posted by Bob on November 15, 2006 at 06:00:23 from (69.178.229.154):

In Reply to: Re: OT-Truck Charging System posted by silly ole dawg on November 15, 2006 at 05:35:33:

Converting to 12-Volts is EASY.

Likely, the gauges are the "thermal" type, and don't care if they are fed (+) or (-) ground.

Rather than using a resistor to power the gauges, I use a simple 6-Volt "3-terminal regulator", which is the size of your thumbnail, mounted on a little scrap of aluminum, as a heat sink.

Install a 12-Volt alternator, use a resistor with the coil, or replace it with a 12-Volt unit, change out the light bulbs, and heater motor.
Here's a simple way to connect up an alternator:

Or, another, more $$$, more complicated option is to use the series-parallel setup mentioned by the other poster.

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