Brake Lamp: Description and Operation

STOP LAMPS AND CENTER HIGH-MOUNTED STOP LAMP

MECHANICAL SYSTEM OPERATION
Each of the tail lamps also contains a double filament stop lamp bulb. The stop lamp filament lights under the following conditions:
- The stop lamp switch is closed.
- The parking lamps are activated.
- The headlamps are activated.

The high-mounted stop lamp contains 2 bulbs and is located in the center of the rear tailgate. The stop lamp is designed to operate in conjunction with the tail lamps whenever the brake pedal is depressed.

CIRCUIT OPERATION
Voltage is applied continuously from the stop fuse to the stop lamp switch. Voltage is applied from the stop lamp switch to C4 cavity 5 of the Instrument Panel Junction Block when the brake pedal is pressed. Voltage flows through the Instrument Panel Junction Block, continuing through SP300 to the Center High Mounted Stop Lamp.

SP300 applies voltage to the following lamps:
- The left and right stop lamps
- The center high mounted stop lamp (CHMSL)