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Old 25-05-2014, 04:35   #1
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Yanmar 2GM20F Wiring

I'm installed Yanmar 2gm20f on my IP26 and appear that wire connectors on engine completely different from connectors of the boat. White connectors on pictures are existing boat connectors. Black connectors are engine wires. Originally boat had Yanmar 2gm engine.
What to do? Do I have to look for new panel? Any possibility to change connectors?
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Old 25-05-2014, 08:39   #2
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Re: Yanmar 2GM20F Wiring

Yanmar sells an adapter harness #129574-77850 to mate the different plugs.

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Old 25-05-2014, 09:19   #3
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Re: Yanmar 2GM20F Wiring

Here's a wiring diagram if your just what to splice the wires together.
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Old 25-05-2014, 09:37   #4
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Re: Yanmar 2GM20F Wiring

The trailer wiring harness CONNECTORS are the evil part of the equation, the weak link, as it were. Most production boatbuilders used them. Guess why.

Just cut 'em out and hard wire them.

Your options are:

Stu Jackson
Catalina 34 #224 (1986) C34IA Secretary
Cowichan Bay, BC, (Maple Bay Marina) SR/FK, M25, Rocna 10 (22#) (NZ model)
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2gm, 2gm20, wiring, yanmar

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