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Old 06-07-2018, 07:29   #1
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Location: Lake Simcoe Ontario Canada
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Helm key engine problem

Hello all my 1993 cat Diesel 3116 port engine engages but will not start engine from the helm. I have to start engine from Engine room key - no problem
Any suggestions to check - thanks ! Shameless
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Old 06-07-2018, 08:15   #2
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Re: Helm key engine problem

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Originally Posted by Shameless View Post
Hello all my 1993 cat Diesel 3116 port engine engages but will not start engine from the helm. I have to start engine from Engine room key - no problem
Any suggestions to check - thanks ! Shameless
When you say it "engages" I assume you mean that the starter motor cranks but the engine will not start.

If so, you likely have a failure either in the switch or the wires running up to it supplying the "run" power to the engine. On a gasoline engine we would properly call this the "ignition" circuit, but a diesel--formally speaking--doesn't have one.

While a diesel doesn't need power for "ignition", power is still needed on many diesel engines to operate the fuel solenoid, electric fuel pump, gauges, etc.

Break out your continuity tester.
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