Put the Onan motor in the QT 16 yesterday. Fired it up and got it running real decent. Drove it about 30 yd up the drive and back, no seat or fenders yet. Put the fenders, side panels and hood on this morning. After dinner I took it out to do a little clean up after a new AC install. Went about 20 yds and it started to cut out and back on again. Continued this till I got the trailer hook up and back up to the shop. There it died. When I turn the key to on the Amp gauge shows a dead short. When I unplug the reg/rect. the short goes away. Same if I unplug the alternator from the engine. Tried to start it with the alternator unplugged but all it would do is click. Solenoid check good. Question is what ohm reading should one get between the two yellow wires from the alternator? Also what reading between either yellow wire and ground?
Thanks much for the help. The Service manual don't go into much detail on checking the electrical system.