INDICATOR 4K8015 - Caterpillar

Illustration 1 g01011653
Brake light circuitThe components of the stop light circuit are the stop/tail light, the front residual brake oil and stop light pressure switch, and the rear residual brake oil and stop light pressure switch.
Illustration 2 g01003354
Rear view of cab (1) Stop/tail light
Illustration 3 g01003357
Cab (2) Front residual brake oil and stop light pressure switch (3) Rear residual brake oil and stop light pressure switchWith the key start switch in the ON position, 24 volt power is supplied from the batteries via circuit breaker #4 to the front and rear residual brake oil and stop light pressure switches. When the brake oil pressure increases to a pre-determined pressure, front residual brake oil and stop light pressure switch (2) and rear brake oil and stop light pressure switch (3) will be activated. 24 volt power is then supplied to illuminate stop/tail light (1).