Caprice V8-265 4.3L VIN W MFI (1995)
Audible Warning Device: Description and Operation
Courtesy Lamps
When CKT 156 is pulled low because a door has been opened, the Alarm will ground CKT 1393. When CKT 1393 is pulled low, the relay contacts in
the Dome Courtesy Relay will close, allowing CKT 149 to go low via CKT 450. CKT 149 is the ground side of the Courtesy Light System. CKT 149
can also be grounded at the Headlamp/Panel Dimmer Switch.