I'm not super when it comes to electrical issues. I have a 2h engine, 1982 (Oct.) HJ47. I wanted to check the glow plugs, so took them out and tested them, found one bad. Replaced it, put everything back together (bus bar, etc.). then out of curiosity, I tested the "bar" that the lead wire attaches to to see how any volts it's getting. It gets 12+v. Then I tested the "bar" that shares the bolt with the "bar" I just referred to and it didn't show any voltage; neither did the bus bar. So I took the two "bars" off the bolt to investigate the connection. I saw that the one bar that the feed wire connects to is broken (no full circle of metal to go around the bolt. Not sure how that would have happened (I inherited a lot of issues from the PO). It wasn't particularly rusty at all, so didn't brake off from rust I don't think. Anyway, I cleaned everything and reassembled it the same way it was. Now, when I have the key "On" I do get voltage to the other bar and to the bus bar, BUT I also get a little bit of smoke and burn smell that comes up from the connection of those two "bars" around the bolt (see pic). It's on the side where the metal is missing on the "ring connector"? In the photo, if you look closely, you can see the broken ring I'm talking about. Why would that cause burning or is it something else? I assume it didn't smoke/burn before but maybe it stops and I never see it when I start the rig? Thanks, guys.