Does your truck have a stomp starter? Per the 48-51 Shop manual, the Forward Control trucks (is that what they're calling COEs?) have a solenoid that activates the starter instead of the mechanical linkage with the stomp pedal. It looks like the attached. The 48-49 wiring diagram shows starters with a solenoid and a pushbutton to activate the starter. And all the power comes from the battery to a lug on the starter and then to ignition switch, etc.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.