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Old 26-08-2010, 07:10   #1
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Yanmar 3YM30 - Seeking Details on Connectors to Panel

Howdy,

I'm creating new replacement engine panels for my two 3YM30 Yanmars. Trouble is the boat is half a continent away and in commercial operation so I need to turn up with a bolt-in solution.

According to the wiring diagram in the manual, there is a three-wire connector in a triangular configuration and an eight-wire connector in 2 rows of four.

A bit of googling suggests that one or both of these connectors may be sourced from Yazaki, but without knowing more detail I am struggling.

Anyone able to provide any more information?
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Old 26-08-2010, 07:42   #2
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Go to:

Cascade Engine Center | Diesel Engines | Yanmar Manuals

pick up the PDF file engine manual for your engine. It's free and complete, the schematics are in the manual
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Old 26-08-2010, 07:55   #3
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I've got the manual, and the schematic, but it's not too helpful. (thanks though...)

I *COULD* buy the harness from Yanmar, but all I need to know is the OEM connector part numbers.
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Old 26-08-2010, 09:13   #4
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I just had a look at that service manual, seems very limited, I was looking at valve adjustment- no luck- I would have thought it went into some real detail but thanks for the link anyway- I suppose I need the shop manual -

I just pulled my gauges out for you and took pictures of the only numbers i could see, I hope this works for you!
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Old 26-08-2010, 13:33   #5
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call Mastry and order new panels. Their cheap
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Old 26-08-2010, 14:53   #6
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Quote:
Originally Posted by never monday View Post
call Mastry and order new panels. Their cheap
I'm in Australia so shipping is a killer, and I don't want the OEM panels because they are crappy. I'm making my own with new Faria gauges and Cortuna switchgear. The OEM gauges crack in the sun within a couple of years.

(And what do you mean by 'cheap'? I think I was quoted AU$750 here..)
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Old 26-08-2010, 14:56   #7
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I just pulled my gauges out for you and took pictures of the only numbers i could see, I hope this works for you!
Thanks heaps for that... appreciate the effort...

However, I'm needing info on the *CONNECTORS* that go back towards the engines. On my panel the wires from the tachos/switches/etc are a couple of feet long and terminate at two connectors... one three way and one eight way. Those connectors are what I need.
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Old 26-08-2010, 16:32   #8
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Originally Posted by DevoDave View Post
Thanks heaps for that... appreciate the effort...

However, I'm needing info on the *CONNECTORS* that go back towards the engines. On my panel the wires from the tachos/switches/etc are a couple of feet long and terminate at two connectors... one three way and one eight way. Those connectors are what I need.
why reinvent the wiring harness? it's there and good
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Old 27-08-2010, 02:01   #9
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Originally Posted by never monday View Post
why reinvent the wiring harness? it's there and good
Because I have to send a bolt-in replacement half-way across the continent and cannot pull the old one out of service until the new one is ready.
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Old 03-09-2015, 18:50   #10
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Re: Yanmar 3YM30 - Seeking Details on Connectors to Panel

Quote:
Originally Posted by DevoDave View Post
Howdy,

I'm creating new replacement engine panels for my two 3YM30 Yanmars. Trouble is the boat is half a continent away and in commercial operation so I need to turn up with a bolt-in solution.

According to the wiring diagram in the manual, there is a three-wire connector in a triangular configuration and an eight-wire connector in 2 rows of four.

A bit of googling suggests that one or both of these connectors may be sourced from Yazaki, but without knowing more detail I am struggling.

Anyone able to provide any more information?
Bump...

Can someone please provide the Yazaki part numbers for the male and female connectors made by YAzaki that Yanmar uses in the harnesses fo rthe YM series engines (Yanmar PN 128391-77720, 128391-77700 and 128990-77920 $180)?

This is to make my own (tinned) harness that will be drop-in compatible with the original one...

Many thanks!
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Old 09-09-2015, 12:02   #11
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Re: Yanmar 3YM30 - Seeking Details on Connectors to Panel

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Originally Posted by svlamorocha View Post
Bump...

Can someone please provide the Yazaki part numbers for the male and female connectors made by YAzaki that Yanmar uses in the harnesses fo rthe YM series engines (Yanmar PN 128391-77720, 128391-77700 and 128990-77920 $180)?

This is to make my own (tinned) harness that will be drop-in compatible with the original one...

Many thanks!
Here are the Yazaki part numbers for the 8-pin connectors used in Yanmar wiring harnesses:

1 HOUSING 7122-7484-40
1 CLIP 7157-7817-80
8 MALE PINS 7114-1472

1 HOUSING 7123-7484-40
1CLIP 7157-7817-80
8 FEMALE PINS 7116-1472
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Old 09-03-2017, 14:56   #12
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Re: Yanmar 3YM30 - Seeking Details on Connectors to Panel

And if you are looking for the 3-pin connectors:
Yazaki 7123-6234-40 &
7222-6234-40
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