I have a 68' Westy with an odd electrical problem. With the headlights
off the signals, both left and right, work and the dash indicators
work. With the headlights on, the right signal works and the dash
indicators work. The left signal works outside, but the dash indicators
work about every second or third flash. Although it does not appear to
be a loose connection, I would like to verify all the connections under
the instrument panel. I removed the four screws holding the panel in,
but don't know how to undo the heat and fresh air controls so I can tip
the panel out.

Question 1. Ever heard of the problem with the dash signal indicators?
Question 2. How do I undo the heat and fresh air controls so I can
easily get to the control panel wiring?

Thanks