BRACKET A 4W1043 - Caterpillar

Illustration 1 g03429532
Horn (remote control) circuitThe components of the remote control horn circuit are the: interface control module, horns and remote control switch.
Illustration 2 g03405723
(1) Keypad (1) (2) Remote control switch
Illustration 3 g03429557
View of hydraulic tank compartment (3) interface control module
Illustration 4 g03427136
Interface control module (4) Horn relay #19
Illustration 5 g03429556
Front view of machine (5) HornsWith the key start switch (2) is in the ON position, 24 V power is supplied from batteries to the remote control switch.With remote control switch in the ON position, 24 V power is supplied to interface control module (3). A radio signal is sent from the remote control transmitter to the remote control receiver. The remote control receiver sends a signal to interface control module (3). When the horn switch on the remote control transmitter is on, 24 V power is supplied to horn relay 19 (4). The power is supplied via a 10 amp circuit breaker in interface control module (3). The horn relay is energized and 24 V power is supplied to the horns (5) .ReferenceFor more information on the remote control system, refer to Systems Operation, Testing and Adjusting, "Remote Control System" for the machine that is being serviced.