Mercury Mark 55E

[Aidan Smith]

Beginning a new Merc project this winter.

It is an early 1956 Mark 55E, with the Amphenol connector. I’m wondering if I could convert that older style connector to the newer style, as seen on the Mark 58A/E.

If so, please let me know. I have found that the Amphenol connectors are very hard to find, and the harnesses are even more so.

Thank you,

Aidan

 

1952 Blue Streak "B-Stock Runabout" - 1952 Mercury KG7Q
1955 Feather Craft Vagabond - 1956 Mercury Mark 55E

[RICHARD A. WHITE]

I have the part numbers for the original Amphenol connectors, both internal and external… Let me get them tonight.

http://www.richardsoutboardtools.com
classicomctools@gmail.com

1 user thanked author for this post.

Aidan Smith

[RICHARD A. WHITE]

Here is the link to the company that I got them from years ago…
It appears they changed names but the part numbers are still good.

The link is one of the part numbers….

You can search their site for both numbers and find both internal as well as external plug housings.

https://us.rs-online.com/catalogsearch/result/?q=97-3102A20+8P

These are the 2 part numbers I have used in the past for the connectors.

If memory serves, they are the correct fittings for the 1956, Mk25E, MK30E and the Mk55E motors

Internal : 97-3102A20 8P

External: 97-3102A20-8S

As an addendum, here is a link to the conversation from many moons ago, on this site…

I just searched Amphenol connector, waded thru the posts and found my earlier post..

You can find the info here as well,

https://www.aomci.org/forums/topic/wiring-harness-broken-pin-mercury-mark-30e/

http://www.richardsoutboardtools.com
classicomctools@gmail.com

1 user thanked author for this post.

Aidan Smith

[RICHARD A. WHITE]

Try this link, it is Digikey, but it is the correct one. Both number given show up…

They are pricey..

https://www.digikey.com/en/products/detail/amphenol-industrial-operations/97-3102A-20-8P/5628810

http://www.richardsoutboardtools.com
classicomctools@gmail.com

1 user thanked author for this post.

Aidan Smith

[Aidan Smith]

Thanks, Richard.

I had no issue finding the interior connection, but I could not find the outside connector.

1952 Blue Streak "B-Stock Runabout" - 1952 Mercury KG7Q
1955 Feather Craft Vagabond - 1956 Mercury Mark 55E

[RICHARD A. WHITE]

This is the motor side… Internal : 97-3102A20 8P
Let me dig for the exterior harness side…

Not sure why the external number is wrong…Ugh, it has been a while since I did these

http://www.richardsoutboardtools.com
classicomctools@gmail.com

1 user thanked author for this post.

Aidan Smith

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