Registration and Posting Agreement
...To address one of your earlier questions, the door jamb switch has two terminals. The terminals are insulated from one another yet ground simultaneously when the door opens. One terminal is for the ignition key warning buzzer. The other terminal is for the door open courtesy lamp option when installed at the factory. The left and right door jamb switches, when both are installed, are wired in parallel. Only the left door jamb switch connects to the key warning buzzer circuit.The headlamp switch grounds the courtesy lamp circuit (identified by the white wire connected to the switch) with full CCW rotation of the knob. For the courtesy lamps to illuminate via the headlamp switch, the headlamp switch frame must be suitably grounded...