LINK AS- 2899893 - Caterpillar

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Diagram of Components C15 and C18 Engines
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Typical component locations (1) Engine coolant temperature sensor (2) Secondary engine speed/timing sensor (3) Intake manifold pressure sensor (4) J300/P300 connector (5) Timing calibration probe connector (6) Intake manifold air temperature sensor (7) Differential pressure switch (fuel) (8) Fuel pressure sensor (9) Fuel temperature sensor (10) Primary engine speed/timing sensor (11) Timing calibration port (12) Atmospheric pressure sensor (13) Engine oil pressure sensor (14) ECM (15) J2/P2 ECM connectors (16) J1 ECM connector
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Air filter assembly (17) Turbocharger inlet pressure sensor
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Control console next to operator's seat (right side) (18) Throttle lock switch
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Dash display (19) Throttle lock lamp (20) Engine start switch (rear engine)
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Cab of machine (tractor) (21) Throttle pedal assembly (scraper)Note: The location of the throttle position sensor is at the base of the throttle pedal assembly.
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(22) Engine shutdown switch for the scraper (ground level)
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Right rear engine compartment of scraper (23) Ether solenoid