On the 68....The fuel gauge drops past empty when the parking lights or headlights are turned on, and returns to normal when they are turned off. This is a new one. Haven't got the skeee-matic out yet, but am willing to listen to what anyone suggests as I am feeling lazy. I have an idea, but not sure. Feel free to jump in!
It's amazing what 1/4 of a turn for the dash cluster center top screw can do.
Possible Ground<?> there is a strap on the upper end of the cluster assy.
Not sure
169Indy....that was it.
Working now