MTFCA Forum

Over the winter I did the following to our 1919 T:
-Replaced the entire factory wiring harness
-Had the generator rebuilt by Brent Mize
-Installed a MTS voltage regulator
-Cleaned the contact points on the ignition / light switch
(along with a bunch of other stuff)

Tonight I noticed that there is voltage present on terminal1 (yellow and black wire) even when the ignition key is off. Is this normal?

Yes that wire as long as the battery is connected, is hot. That is why if you remove the generator or cutout the battery should be disconnected.

Probably yes. Your electrical system may differ from the 22-27 diagram, but yours probably takes current from the battery, through the ammeter, and eventually to terminal #1.

YES. look at the ignition switch in the diagram an and follow the yellow/black to the ignition switch and then to the ammeter where the yellow wire from the battery is connected to the other side. So your seeing battery voltage anywhere on the yellow/black wire even to one side of the horn button

The yellow and black wire at the generator is always hot. NO fuse on the stock system, either. Key on, key off, does not matter.

Thanks for the responses. I just wanted to make sure that I didn't put something back together wrong when I had the switch apart.