First attempt at operating the AC blower in this ?
I found my dealer installed AC (deleted) was setup to the wrong fuse, can’t recall which but it was tapped to the interior lights and clock or somewhere else, just too much load for 5 amps it think. Sometimes there’s a confusion to which position the fuse block runs. #2 or # 20 are “the second” fuse from the back…or is that the front! Here’s a fuse chart from my 77 owners manual if needed:
