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Emergency kill circuit ?
Question for my nightmare troubleshooting problem, already lost 3 weeks with the boat, here goes: I have a 1994 150 HP Ocean Pro, I have no spark on motor, when I disconnect the 1 pin amphenol style connector on the black / yellow wire ( kill circuit ) back by the power pack the engine starts and runs fine. Changed kill switch and ignition switch, I get same results, is it possible that the power pack or the stator could be bad or is it definitely in the wiring of the kill circuit ? Thanks for the help.
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Tight Lines !! 
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#2
08-22-2011, 08:41 PM
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try cranking the engine with that wire connected, but with the engine harness disconnected. Start out by running the engine like you had it with the black yellow wire disconnected, then after its warmed up and will start easy, hook the wire back up, disconnect the main wiring harness on the engine. Go to the starter solenoid, jump from the big red(battery cable) to the yellow red(it may take a jumper wire) and see if the engine will run, that will tell you if its the engine side, or the boat side. If it runs with that black yellow wire hooked up, but with the harness disconnected, the engine is OK. While its running, turn the ignition key to the run position, with the kill switch in the run position. Hook the harness back up, if the engine shuts down, there's something in the boat side that causing the trouble. Several things to check on the boat side if its the problem, make sure you have the wires on the key switch correct terminals, make sure you have an outboard key switch and not an I/O switch. Make sure your kill switch is for an outboard, if it has 4 terminals, make sure you have it hooked up to the no terminals
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#4
08-23-2011, 10:28 AM
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Quote:
Thats EXACTLY what I was gonna say. LOL! You da man Spare! 
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Really, who ISNT better looking than Charlie?
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#5
08-26-2011, 04:05 PM
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OK today I went down and followed some tests given by CDI. First I checked spark. I have no spark on the Port side of motor, even with the black yellow wire ( kill circuit ) pulled apart. Explains why engine was starting but running bad ( only 3 cyl. ) Now I feel it is not the kill circuit. I pull the 6 wire plug on the starboard side going into the powerepack. Crank it , Port side now has spark. They say if you get spark back to go ahead and check bl/yw and bl/ orange for a short to grnd. Did that it was OK. Then to check to see if the shift interupter switch is located in the circuit where there is no spark. I can't find anything about the shift interupter switch in my SELOC book. Any thoughts ?
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Tight Lines !!
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#7
08-26-2011, 05:47 PM
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That's what I thought, but those bl / yw wires up by the power pack continue down the starboard side to some kind of switch that rests on top of one of the shift cable. can't find that switch ( if that's what it is ) on my diagram. You know what that is?
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Tight Lines !!
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#8
08-26-2011, 06:43 PM
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shift interrupt allows the engine to come out of gear when shifting. should be located where the shift cable terminates at the power head. Disconnect it at the switch and see how it does
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#10
08-27-2011, 11:47 AM
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I was having a similar problem a month or so ago with my 1985 150 Johnson. After a new ignition switch i still had the same problem. Turned out it was a combo of; a wire getting smashed between the two halves of the control box and a red wire that was not making contact in the connector for the remote control. I moved my ignition switch to the dash and jumped the red wire around the connector and haven't had any problem since.
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1983 V-20 capsized. . . . in the garage.
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