Formally called the Chevrolet C/K, C/K is a series of trucks manufactured by General Motors and marketed under the Chevrolet and GMC brands. The C/K line includes pickup trucks, medium-duty, and heavy trucks.
Switch might be dirty or sticky, try wiggle a lot to see if intermittent. Otherwise try to pull window it up or slam the door , both while holding the button in up position with car ignition on.
Checked fuses for a start?
by prop man
Switch might be dirty or sticky, try wiggle a lot to see if intermittent. Otherwise try to pull window it up or slam the door , both while holding the button in up position with car ignition on.
by uhf mhz
Another think to check is for a broken wire near door hinge where wires go from car into the door.
by uhf mhz
Lynn Reilly what exact year and model is your PU?
by oldturkey03