[k9uw]

As Phlogiston pointed out, this control has two switches. One switch is exposed on a wafer and controls the AFC circuit while the other is inside a plastic or Bakelite enclosure and controls the two dial lamps on either side of the magnetic tuning dial. The dial lamp switch was defective and a previous repair had simply shorted the switch so the dial lamps were always lit when the radio was on.

The replacement switch came from a 37-10 parts chassis and, aside from a too-short shaft, seems identical to the original and is working perfectly. A shaft coupler from the local hardware store will enable me to correct that short shaft problem.

In case anyone else has to replace the missing ball bearing that makes the detent work correctly, please know that a BB (copper coated steel) is the right size and seems to be working perfectly.

Sorry for the late update, but this information might be useful to others in the future. My thanks to Ron and anyone else who makes this phorum available