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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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| | | | Joined: Jun 2009 Posts: 49 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2009 Posts: 49 | Hmmm. I've been running this 12 volt generator for a good 5 yrs. with same V.Reg. and nothing changed...other than it's toast! Replaced it and am getting the old one re-built as a backup.
OK, what happened? I'm clueless. | | | | | Joined: Feb 2004 Posts: 29,774 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,774 | Most likely, the cutout relay points in the regulator stuck the last time you turned the engine off, allowing the battery to discharge itself through the generator armature. This usually trashes both the generator and the regulator, and often melts the wiring, or at least the insulation, all the way from the battery cable connection at the starter, through the internal wiring harness to the ammeter, and from there to the regulator and to the armature terminal of the generator! If that didn't happen, consider yourself lucky! I've seen entire vehicles go up in smoke from a stuck cutout relay!
Be sure to change the regulator and inspect all the wire harness connections before putting your truck back in service!
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Jun 2009 Posts: 49 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2009 Posts: 49 | Yes sir I will do that.
I did replace the V.Reg. just for drill.
Thanks, appreciate the reply. | | | | | Joined: Jun 2009 Posts: 49 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2009 Posts: 49 | All is well. The garage finally warmed up enough to replace the starter and it did not smoke!!! I've got to say that I like the sound of an 12 volt starter winding up  Thanks for the help boys. | | |
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