Hi guys! My grandpa's 1951 Chevy has the original 6V system, and I believe even the original voltage regulator. It's an Echlin with an adjusting acrew in increase/decrease the voltage. The screw is set to max voltage and the battery is fairly new. The generator charges the battery enough to start the engine and run all accessories (the headlights are super bright, although the running lights are pretty dim). The issue at hand is the battery isn't getting fully charged. I can charge the battery manually with a 10 amp charger, and when I start the truck, the battery has a lot more power and turns the motor over at almost lightning speed compared to how it turns over when only the generator has charged it.
I have two 1940s/50s era tractors with 6V systems, and none of them have the issue. They all charge the battery just as well as a battery charger. I guess first I need to hook a voltmeter on to different points in the system and see what I'm getting out of the generator, then the VR? Does that sound like a good starting point?
Any advice appreciated! I'm not too good with electrical systems, so word responses accordingly, please.
