Electrical Gremlin?

Thanks for the help and advise FABO, will get on this early next week. I also forgot to mention no dash lights at night. Is that related?

Here's how the dash lights work.

The headlight switch has TWO power sources. Headlight ONLY power comes from what is called the "in harness splice" which comes from the black wire on the ammeter

The tail/ park/ dash power comes to the switch from the tail fuse in the panel.

When the switch is in park or head, power is supplied to the dash light dimmer control (rheostat). This power is fed OUT of the dimmer on a tan wire to a separate fuse in the panel labeled "inst" The OUTput of this fuse, on several orange wires, feeds off to all dimmer controlled dash lamps

SO the first thing to do is turn the headlight switch to park or head, and make sure the park and tail lamps work.

Then twist the dimmer control to the left, which is maximum brightness

Next, put your meter/ test lamp on BOTH sides of the INST fuse in the panel (normally on one end of the panel) and this should now have power on both sides of the fuse.