TURBOCHARGER GP 7W9132 - Caterpillar

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Fuel level circuitThe components of the fuel level circuit are the: Machine Electronic Control Module (ECM), fuel level gauge, low fuel level indicator, fuel level sender and instrument cluster.
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Dash panel (1) Instrument cluster
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Dash panel (1) Instrument cluster (2) Fuel level gauge (3) Low fuel level indicator
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Right side view of rear frame (4) Fuel level sender
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Machine systems ECM location (5) Machine systems ECM (under seat)
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Cab (below rear arm rest)The circuit breaker panel is located under the right side armrest behind cover (A).
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Circuit breaker panel (cover removed) (6) Circuit breaker 20With the key start switch in the ON position, 24 V power is supplied via circuit breaker CB20 (6) to fuel level sender (4) .Fuel level sender (4) sends a signal to Machine ECM (5). Machine ECM (5) sends a signal via the CAN Data Link to instrument cluster (1). Fuel level gauge (2) indicates the fuel level remaining within the tank. Low fuel level indicator (3) will illuminate when the fuel is low.ReferenceFor more information on circuit breakers and relays, refer to Operation and Maintenance Manual, "Circuit Breakers - Reset".