One more crazy thought before I call it a night, Bruce.
Following on what Terry just said. The wheel was very likely not reinvented when the CMP’s were designed and built. Commercially available items would have been used wherever possible to save time and money.
The blackout switches used on the 15-cwt Wireless 5 2K1 and 2K2 Bodies were a thicker style than those on your HUW. The plungers on them also functioned directly against the inside face of the rear entry door and Generator Compartment door, so much simpler operating action.
I wonder, however, if the same company perhaps made both switches commercially pre-war? If Gord Falk, or any other WIRE 5 owner with original blackout switches still available could check them for maker stamps, it might help trace the switches you need. Could be LEVITON, or any other prewar electrical supplier.
Also just a thought. If your generator is running, the exterior hatch would be open. Was there a blackout switch on the inner compartment door somewhere as well?
David
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