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wiring 1 year 9 months ago #127836

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I have a 1971 65 hp merc, and the internal wiring is cracked. is there a way to rebuild the wire loom , or do they make a replacement for it. can I try to start it with the wire loom in bad condition or do I need to have 12 volts hooked up? thanks greg

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Re: wiring 1 year 9 months ago #127837

Greg you have two options one is to carefully put liquid tape on all the cracked wires or come down to the shop and match it up with one of my parts motors. Cracked insulation on mercs is a common problem I deal with all the time. The up side is any 4cyl motor from 68 to 72 is the same harness from what I have seen. Well you have talked about coming down for years now you have a excuse lol
Bob

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Re:wiring 1 year 9 months ago #127838

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Bob ,thanks for the info, you may see me soon. Greg

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Re:wiring 1 year 9 months ago #127848

Greg,

Post a picture of wiring issue. Are you talking about the motor side wiring harness?

Travis

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Re:wiring 1 year 9 months ago #127868

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Travis, It is the engine side of the wiring. I have no pictures as of now. thanks Greg

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Re:wiring 1 year 9 months ago #127872

That's what i thought. I'll get some pictures together of how i rebuild them. Not to hard to do with a little encouragement.

Travis

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www.liquidassetsonline.org , 63\'PowerCat14-C w/twin64\'650\'s,14\'Glen-L Zip w/Mark58E,58\'TeeNee,
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Re:wiring 1 year 9 months ago #127873

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Thanks Travis, could you e-mail them to me. This email address is being protected from spambots. You need JavaScript enabled to view it. Greg

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Re:wiring 1 year 9 months ago #127879

Travis - send them to me too - This email address is being protected from spambots. You need JavaScript enabled to view it.

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Remember - There's always room for one more project!! (not really, my garage is full!!)

1963 Lone Star Triton w/ 1979 55 hp Johnson (soon 1963 Merc 850!!!)
1968 Lone Star Mustang w/1974 70 hp Evinrude
1974 Marlin with 1971 Merc 1350
1980 Glastron GT-150 w/1977 115 hp Johnson ( soon 1977 Merc...

Re:wiring 1 year 9 months ago #127880

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Mark, you should have posted something yesterday. I just sold the '69 650 last evening to a guy in Oconto. I could have taken all the pics you need. :(

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Re:wiring 1 year 9 months ago #127882

Cal - I am more interested in pictures of the process vs the specific routing. I need to fix the wires on the 1500, and I can probably use the 1350 as a guide to where things go. It is just a few suggestions of how far to go with cutting back and re-wiring that i am interested in.

Thanks though!!

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Remember - There's always room for one more project!! (not really, my garage is full!!)

1963 Lone Star Triton w/ 1979 55 hp Johnson (soon 1963 Merc 850!!!)
1968 Lone Star Mustang w/1974 70 hp Evinrude
1974 Marlin with 1971 Merc 1350
1980 Glastron GT-150 w/1977 115 hp Johnson ( soon 1977 Merc...

Re:wiring 1 year 9 months ago #127883

Sent to both



Once i figure out how to effectively post pictures here i will i work mostly on Mercury 4cylinders Mark 30,55,58. When cutting wires back best way is the farthest back to the connector to where you have good wire to make the connection. I use 16 or 14 awg for most of the wiring except for the large 4awg black & red battery wires with non insulated wire crimp connectors and shrink tubing over the connections. I also got creative and made stamps for the mercury graphics on a Mark 55a Rectifier that actually works pretty good!!

Travis

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www.liquidassetsonline.org , 63\'PowerCat14-C w/twin64\'650\'s,14\'Glen-L Zip w/Mark58E,58\'TeeNee,
Mark55AE,Mark55E,PairMark58E\\\'s,Mark58AE,Mark78AEL, 6-7RBM\'s.Keep EM\' Alive! Always looking to add to collection.

Re:wiring 1 year 9 months ago #127884

Greg my son inlaw just bought a new wireing for the 1971 500 last year. so I know it is avalble from merc. Bob

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Re:wiring 1 year 9 months ago #127886

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Travis, thanks for the pictures, I will have to see what condition my wires are in . greg

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Re:wiring 1 year 9 months ago #127887

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Bob, thanks for the info. did he buy from merc or aftermarket? do you know what he paid for the loom? thanks greg

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Re:wiring 1 year 9 months ago #127907

If you want a new internal harness for your 650 4 cyl solid state,
Mercury part number is: 52771A2 @ $216.58
CDI electronics number: 414-2770 @ $140.28
These are the prices listed on www.marineengine.com
I prefer using the CDI/e harness.
It is the one in the attached picture.

doc F
Attachments:

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Re:wiring 1 year 9 months ago #127921

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Doc Thanks for the info on the wire loom, I think that is the way I will go , if the rest of the motor checks out good. thanks again. Greg

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