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Help finding a Mercury external ignition wiring harness #10956877 07/04/15 07:49 PM
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chikenfrie Offline OP
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I've googled this and only come up with internal harnesses or small outboard harnesses. I'm searching for a 1977 85HP external plug (female) and wires. Any help to point me in the right direction would be very helpful.


Re: Help finding a Mercury external ignition wiring harness [Re: chikenfrie] #10957126 07/04/15 10:44 PM
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gary purdy Offline
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http://bpi.ebasicpower.com/c/OB-MERHARNESS/Wiring+Harnesses+for+Mercury,Mariner+Outboards CDI electronics shows a 474-9550 Boat side engine harness that enters through the side of the cowling. I can get for 270.00.

Last edited by gary purdy; 07/04/15 10:54 PM.

The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
Re: Help finding a Mercury external ignition wiring harness [Re: chikenfrie] #10957271 07/05/15 12:54 AM
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chikenfrie Offline OP
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That shows it fits 7 prongs, I beleive mine if I'm not mistaking is a 6 prong. Are these pretty universal?


Re: Help finding a Mercury external ignition wiring harness [Re: chikenfrie] #10957574 07/05/15 01:55 PM
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gary purdy Offline
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The 7 pin internal harness CDI 414-5532 shows to fit everything from 63-83 35hp up to 115hp and the external 474-9550 shows the same pin pattern


The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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