Wiring harness for 74 merc 50hp

zippy83

Chief Petty Officer
Joined
Jan 1, 2013
Messages
491
Hi all

I am looking for a wiring harness for my 74 mercury 50 hp thunderbolt. I have some bad wires leading from the battery to the starter. How would I go about identifying the harness and what I need to get. It looks like there is a set of wires leading from the selinoid and starter to the battery and another set of wires leading to the key ignition on the console.

Any advise
Thanks
Zipp
 

carholme

Rear Admiral
Joined
Sep 4, 2010
Messages
4,845
Re: Wiring harness for 74 merc 50hp

What is the s/n of your engine?


Gerry
 

zippy83

Chief Petty Officer
Joined
Jan 1, 2013
Messages
491
Re: Wiring harness for 74 merc 50hp

I got your s/n from one of your other posts.

Here is the parts list for s/n 4073270:

MERC 500 - Mercury, Mercruiser, Force, etc. Parts Lookup

See item 32 under STARTER MOTOR, STARTER SOLENOID, RECTIFIER AND WIRING HARNES

Gerry

Thanks Gerry,

But I need the other end of the harness. This one is internal I need the one that hooks into this one that leads to the battery and the key ignition.
 

zippy83

Chief Petty Officer
Joined
Jan 1, 2013
Messages
491
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