1954 ford under dash interior light stays on

R

Rick

Senior Member
Interior light stays on with doors shut. Door switches check out with continuity
test. Have continuity with button out and none with button in. Any thoughts
 
I hope this isn't a dumb suggestion. Have you tried turning it off by turning the headlight switch CW?
 
With the door open, push the button in. If the lights go out, the door isn't pushing it in far enough.
 
As I recall those lights have a constant hot wire to them. How old is your wiring? Sounds like a wire is going to ground.
 
I agree. The sockets are hot. Checked wiring and looks good. Pulled apart door buttons and they also look good and work testing on bench. They are intermittent. If I disconnect them the light s will stay on. Reconnect and the lights work for a while then can go back on. Does the door buttons ground when in or out. I looks like they ground when out. Don't understand how a ground is working
 
Rick said:
I agree. The sockets are hot. Checked wiring and looks good. Pulled apart door buttons and they also look good and work testing on bench. They are intermittent. If I disconnect them the light s will stay on. Reconnect and the lights work for a while then can go back on. Does the door buttons ground when in or out. I looks like they ground when out. Don't understand how a ground is working
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When out they complete the circuit. I suspect you have a bad door button switch.
 
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