Thanks for the suggestions so far. What I've gotten out of this so far is that the factory kickdown switch is commonly replaced with a toggle. So, when I want the OD to kick out, I flip the switch? Then when I want OD again flip the switch back?
49 Chevy 3600
65 Chevy K10
48 International KB-1 Service Truck
55 Willys CJ5 - Chevy 331 powered
26 Model T Roadster Rat Rod
70 Tucker Sno-Cat 442-A
96 Dodge 3500 Cummins dually flatbed x-cab 4x4
06 Jeep Wrangler LJ rock crawler
If you can't fix it with a hammer, it's an electrical problem
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