I have done that, used meter on light harness, no shorts indicated. It will run with one headlight connected, don't matter which one. That pretty much eliminates short in wiring. I checked stator, no shorts, 50 volts AC at idle, increase with rpm. I believe I have a rectifier problem even though it is putting out 14.56 volts DC. I removed it and done a diode check and the negative side has no reading. Unless something has changed over the years I should be getting readings on both sides. I believe when I turned on headlights the rectifier can't handle it. I also got a 21 volt AC reading at idle, which is telling me the rectifier is not doing its job properly. Its capable of keeping the battery up, but nothing else. What you think?