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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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#87625 10/08/2002 9:15 PM | Joined: Sep 2002 Posts: 9 Member | | Member Joined: Sep 2002 Posts: 9 | Hi, I have a 54 GMC 100 with a 248 engine and I believe all or mostly all original type equipment. I'm new to all this and would like some advice. I have a new 6 volt battery and the truck starts with no problem. However the ammeter appears to read the opposite that I would expect. When the engine is running it moves to the left (-) and if I turn the lights on it moves back toward the middle. If the engine is not running and I turn the lights on it moves to the right (+). Shouldn't it be the other way around. I checked the voltage on the battery and it read 7 when the truck wasn't running and about 8.7 when it is running. Does this mean the system is charging okay? I also tried repolarizing the generator. Thanks for any help | | |
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