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Have a 2004 centrion 350 mpi ski tow engine tach and temp not…

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have a 2004 centrion 350...
have a 2004 centrion 350 mpi ski tow engine tach and temp not working oil presure is working all in same cluster ck with meter have 5 volts one wirer think thats oil presure 13 volts one wire and ground for the rest
Submitted: 3 years ago.Category: Boat
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Answered in 1 day by:
7/20/2015
Marine Mechanic: briggs archer, Marine Mechanic replied 3 years ago
briggs archer
briggs archer, Marine Mechanic
Category: Boat
Satisfied Customers: 375
Experience: 30 years professional marine mechanic=skilled in all phases of the marine service industry.
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There is a good possibility that the gauge cluster is bad. we cannot test the tach easily but, we can test the oil pressure gauge. Two ways, 1( remove the wire from the oil sender at the engine and touch it to ground with ignition on. The gauge will max out full right position. 2) remove the wire from the oil pressure sender and connect a multi meter between the sender and the wire with the meter on volts DC. The oil pressure will read 3/4 way on the gauge. If the oil pressure gauge is bad the cluster must be replaced.
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Customer reply replied 3 years ago
oil pressure works need temp and tacho
Marine Mechanic: briggs archer, Marine Mechanic replied 3 years ago
Use the same process to check the temperature gauge.
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