84 c10 door jam switch

[boloboss]

Per/ The two wires for the courtesy light's door jam switch:
are brown and white.
What are each wires function??

 

[Matt69olds]

White is the ground trigger for the dome light, the other one is for the key in the ignition with the door open buzzer.

 

[boloboss]

Big-time knowledge
Thxxxx, Boss!!

 

[Randy and Easton]

@Matt69olds IS a rockstar! Always