Operation CHARM: Car repair manuals for everyone.

Lighting and Horns: Description and Operation

Voltage is applied at all times from CTSY Fuse to each component in the circuit. The Dome and Reading Lamp circuits are completed through the Light Switch or any Door Jamb Switch. The Underhood and Luggage Compartment Lights have a Mercury Switch built into the assembly which closes to ground when the Hood or Trunk Lid is opened. The I/P Compartment Light and Cigar Lighter are connected to ground through individual switches.