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Mod | | | Forums66 Topics128,073 Posts1,055,908 Members48,429 | | 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: Jun 2003 Posts: 92 Shop Shark | | Shop Shark Joined: Jun 2003 Posts: 92 | Our 46 1/2 ton keeps killing batteries on us when we use the lights. It was suggested to me to adjust the voltage regulator. Is this correct? | | | | | Joined: Mar 2005 Posts: 1,029 Member | | Member Joined: Mar 2005 Posts: 1,029 | What is your ammeter showing with the lights on and the engine running faster than idle speed? | | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | Put a voltmeter on the battery or bat. term of the regulator. Rev the engine up & it should read 7-7 1/2 volts. Like Baldy says watch the ammeter on the dash. It should show charge with the lights on & speed the engine up a little.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Feb 2007 Posts: 513 Shop Shark | | Shop Shark Joined: Feb 2007 Posts: 513 | i would think you might have a short in the headlight system somewhere
1949 Chevy 3600 Flatbed all orginal 1964 gmc 4000 1973 gmc 6000 2005 chevy duramax 4x4 1994 chevy 1500 Trucks are GM and Tractors are Orange "I don't measure a man's success by how high he climbs but how high he bounces when he hits bottom." - General George S. Patton | | | | | Joined: Jun 2006 Posts: 272 Shop Shark | | Shop Shark Joined: Jun 2006 Posts: 272 | Same thing happened to me years ago. It was the voltage regulator in my case. Lesson learned, Don't buy a cheap VR. Don't forget to re-polarize the VR if it is replaced.
1948 AD Pickup
| | | | | Joined: Jun 2003 Posts: 92 Shop Shark | | Shop Shark Joined: Jun 2003 Posts: 92 | I haven't seen the truck yet this year... Still parked in storage, but we are taking it to a show in August. I have just been going over the "List" of things that need attention in my head... Thanks! | | |
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