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Click on image for the lowdown. 
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Mod | | | Forums66 Topics128,049 Posts1,055,699 Members48,426 | | Most Online14,466
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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Dec 2000 Posts: 3,399 Gas Pumper | | Gas Pumper Joined: Dec 2000 Posts: 3,399 | My favorite all time best way is to put a 6.8 volt Zener Diode (stripe facing away from the gauge) right at the terminal and be done with it. DigiKey part number CZ5342B CT-ND for $ 0.89 each.
This way there are no electronics to burn out (other than the passive) and they are small enough to fit right behind the gauge. A barrel splice on one end and a terminal end and then heat shrink over the whole thing so as not to cause a short. | | |
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