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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#96419 07/19/2006 8:36 PM | Joined: Sep 2001 Posts: 100 Member | | Member Joined: Sep 2001 Posts: 100 | What's the best way to protect 6-volt gauges now that my 49 GMC 1/2T PU is converted to 12 volts?
I understand that resistors don't allow for changes in the gauges' amperage load.
I have heard of using transistorized voltage regulators like those at Radio Shack. I've got schematics for using a V-R on a heat sink with capacitor buffered input and output, a resistor for regulating it at low load, and a transistor for beefing it up. I'm not sure how many regulators the gauge set needs. Anybody have any experience with these?
Never start vast projects with half vast ideas.
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#96420 07/19/2006 10:18 PM | Joined: Sep 2003 Posts: 324 Shop Shark | | Shop Shark Joined: Sep 2003 Posts: 324 | Get yourself a Rutz resister from one of the venders and install it on the gas guage and save yourself some trouble. Thats the only guage you need to worry about as the 12 volts will take it out. Been there done that. | | |
#96421 07/19/2006 10:40 PM | Joined: Sep 2001 Posts: 100 Member | | Member Joined: Sep 2001 Posts: 100 | Thanks, Fat Fenders. Saves bucks, time and headaches. I'm for that.
Never start vast projects with half vast ideas.
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#96422 07/20/2006 12:25 AM | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | I ran my 55 1st panel for years (over 100K) after converting to 12v. I ran all gauges at 12 volts and never had a problem. All I had to do under the dash was change the bulbs.
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