TM1858 (30JUN04) 9015-10-16 700H Crawler Dozer 063004 PN=154 System Diagrams Identification Letter Type Examples S Switch Switches and push buttons, general key switch, light switch, horn switch, flasher switch T Transformer Ignition coil, ignition transformer U Modulator, converter DC transformers V Semiconductor, electron tubes Transistors, diodes, electron tubes, rectifiers, semiconductors, thyristors, zener diodes W Transmission path, conductor, antenna Antennas, shielding components, shielded conductors, cable harnesses, conductors, ground conductors X Terminal, plug, plug and socket connection Terminal studs, electrical connections, connectors electrical line couplers, line connectors, sockets, plugs, terminals, plug-and-socket connections Y Electrically actuated mechanical device Permanent magnets, (solenoid-operated) injection valves, electromagnetic clutches and brakes, air valves, fuel pumps, solenoids, switching valves, start valves, locking systems 9015 10 16 Z Electrical filter Interference suppression filters CED,TX14826,12201 –19–10MAR00–2/2 Z Electrical filter Interference suppression filters