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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: Apr 2019 Posts: 18 New Guy | | New Guy Joined: Apr 2019 Posts: 18 | Electrical is not my strength. Picked up a running ‘46 earlier this week, but the headlights don’t work. It seems the problem is at the voltage regulator. Here is the wiring diagram- https://imgur.com/gallery/Dqhj7zLHere is the wiring as it sits now - https://imgur.com/gallery/XVgcWGiThe voltage regulator has b, a, f, written on it. Do I just need to swap the red and yellow wires? Thanks in advance | | | | | Joined: Aug 2018 Posts: 351 'Bolter | | 'Bolter Joined: Aug 2018 Posts: 351 | It's hard to tell from the photos where the wires go, but it looks like the yellow wire is grounded to the V Reg case. If it is, it should go to the generator case/mounting bolt. The B (Bat) terminal on the V reg goes to the ammeter. The A (Armature) terminal on the V Reg should only go to the Armature of the generator. The F (Field) terminal should likewise only hook up to the Field coil connection on the generator. Make sure you have the two terminals on the generator properly IDed. Hope this helps.
Last edited by drdoug; 04/20/2019 4:52 PM.
| | | | | Joined: Apr 2019 Posts: 18 New Guy | | New Guy Joined: Apr 2019 Posts: 18 | Thanks, I think you are right. Detail pic of gen. And v reg with cover off - https://imgur.com/gallery/pxDHxfN | | | | | Joined: Apr 2019 Posts: 18 New Guy | | New Guy Joined: Apr 2019 Posts: 18 | Success!
...took me longer then it should. | | |
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