Wiring diagram needed for external wiring on a '56 Mark 25E

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Huntleybill
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Wiring diagram needed for external wiring on a '56 Mark 25E

Postby Huntleybill » Sun Jan 21, 2018 8:40 pm

I have a wiring harness for a Mark 25E that needs re-doing. I am looking for the wiring diagram. Does anyone have one I can get a copy of?
Thank you for your time
Bill

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Richard A. White
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Re: Wiring diagram needed for external wiring on a '56 Mark 25E

Postby Richard A. White » Sun Jan 21, 2018 8:51 pm

It is in the Merc Service Manual !965 and prior version....

But this is it,


MK25E wiring diagram.jpg
MK25E wiring diagram.jpg (628.41 KiB) Viewed 465 times

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Huntleybill
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Re: Wiring diagram needed for external wiring on a '56 Mark 25E

Postby Huntleybill » Sun Jan 21, 2018 9:33 pm

Yup...this is it! Thank you.

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Garry in Tampa
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Re: Wiring diagram needed for external wiring on a '56 Mark 25E

Postby Garry in Tampa » Mon Jan 22, 2018 1:43 am

I think I can clean it up a bit . . . ;)

MK25E%20wiring%20diagram.jpg
MK25E%20wiring%20diagram.jpg (811.12 KiB) Viewed 450 times

Image
Living my dream because Reality is too expensive . . .

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Richard A. White
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Re: Wiring diagram needed for external wiring on a '56 Mark 25E

Postby Richard A. White » Mon Jan 22, 2018 6:12 am

Thanks Garry, I will save the colorized version

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kayaker2
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Re: Wiring diagram needed for external wiring on a '56 Mark 25E

Postby kayaker2 » Wed Jan 24, 2018 7:48 pm

Bill, I thought you had a swing starter on that one you are working on. I have the 55 with the swing starter on mine. You took Photos of it at the Paul Miller meet. Both of the Starter terminals are on the bottom. Positive ground!!!!!
Bob Kolar
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Richard A. White
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Re: Wiring diagram needed for external wiring on a '56 Mark 25E

Postby Richard A. White » Wed Jan 24, 2018 7:55 pm

On a Mark25E? There is hardly enough room for wiring,let alone a starter that moves.....Got pics?

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kayaker2
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Re: Wiring diagram needed for external wiring on a '56 Mark 25E

Postby kayaker2 » Wed Jan 24, 2018 8:10 pm

Nice Job Gary, I am l am going to start looking for my crayons now. Bill, I am doing My 1955 25E this week. I will post a picture on the AOMCI facebook. I don't want to hijack Bills thread.

Bill Give me a call
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Re: Wiring diagram needed for external wiring on a '56 Mark 25E

Postby MercurySpecialist » Fri Jan 26, 2018 3:55 am

To be "perfect", the large positive (+) cable of the remote control harness, nor both large cables from each side of the starter solenoid were black colored insulation, not the red depicted. The terminals of the remote control wiring harness were however stamped with (+) and (-).
The starter mechanism, which is separate of the starter motor, does have an arm which swings a small amount horizontally to engage the flywheel ring gear on the 1955 model (also seen on 1956 Mark 30E, 1954 Mark 50E, and 1955 Mark 55E). Although the service manual does have another diagram showing the positive ground, when compared, they only differ in that (as was pointed-out above) the wire leads attach to terminals on the "swing arm" starter's lower end cap, and that the remote control large cables are reversed as to which terminal of the battery they connect to. I probably can answer any questions, but please post them in a thread, as I seldom login, so it may be quite sometime before I could respond. E-mails are welcomed, but posting of our business e-mail may not be wanted, but if allowed, it is: info@fergusonpoolemarine.com.


Regards,
Joe Poole, Jr.


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