Originally Posted by DADS50
The switch grounds by being clamped to the dash

Just to be clear, the switch needs no ground. The switch is just a conduit for power between the battery and the heater. The actual ground comes from the heater motor itself.

Jeff


My 1953 Chevrolet
1947.1 Gallery
1972 C-10 1/2 Ton & 1972 C-30 1 Ton