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Re: Re: '55 F-600 6Vto12V Revisited-Jon Hagan
Posted by Bob on December 03, 2006 at 10:42:59 from (188.8.131.52):
In Reply to: Re: '55 F-600 6Vto12V Revisited-Jon Hagan posted by Jon Hagen on December 03, 2006 at 07:31:14:
When I have converted older trucks to 12-Volts, I have used a solid-state 3-terminal voltage regulator to power the gauges.
On GM's, some type of regulator or resistor setup is a MUST ahead of the gauges, to drop the voltage, and I'm sure using it on the Fords makes like a lot easier in the IVR (Instrument Voltage Regulator), since it will now be fed the voltage it was designed for, rather than about 14-Volts.
A common regulator is the 7806.
Here's a circuit I use:
I was searching the 'net for a similar diagram, and found the FORD page linked below.
They show you nearly the same circuit, lacking the diode I use to get the extra .7 Volts, so that apparently works, too. These circuits are limited to about 1 Amp, which will easily power the gauges, and on the linked site are also diagrams for circuits to output MORE current, if needed.
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