Tomcoe,

Since your diagnostics have lead towards an electrical/wiring potential problem source, maybe it would be better if this discussion continued (or maybe got a new start) in the Electrical Bay?

It would help if you could take/post pictures of this unusual "switch" you have mentioned that isn't on your other COE's.


~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)