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Post Onsite · Electrical & Lighting
75A
In stock · ships from Knoxville
This is a door contact button, typically used in truck or trailer door jambs to detect when the door is closed.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
It completes an electrical circuit—often for dome lights, step lights, or alarm systems—when the plunger is pressed in. These buttons are replaced when the internal contacts wear out, the spring fails, or the button no longer reliably makes a connection.
Part Number: 75A
BETTS D/C CONTACT BUTTON
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting
