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1987 Ericson 32-3 with M-25XP installed hose & wiring hook ups needed.

Jcrilly1

Junior Member
We hired a mechanic to get our engine running . He removed it , replaced the injectors and transmission .
He re-installed the engine by installing it on new motor mounts leaving the alternator wires, hoses and controls disconnected then he disappeared on us .
We need to ascertain what hoses go where and what wires get hooked up to the alternator and to what studs.
Any help with photographs or diagrams would be most appreciated.
 

Loren Beach

O34 - Portland, OR
Senior Moderator
Blogs Author
Wow. I wonder if he even remembered to cash your check? :(
There are a lot of photos on this site of that particular engine. It will help if you post some photos of your engine as it sits, right now. And, photos of "left over parts" arranged neatly.
All the best, Loren
 

Dave G.

1984 E30+ (SOLD)
Have you heard the engine run ? Did you pay him ? I think it may be difficult to do from pictures unless you have a pretty good grasp of marine mechanics. No it's not rocket science but commissioning an engine install is pretty critical so you need to get it right. Maybe find another mechanic ? And yes pictures please.
 

Mike Dean

New Member
We hired a mechanic to get our engine running . He removed it , replaced the injectors and transmission .
He re-installed the engine by installing it on new motor mounts leaving the alternator wires, hoses and controls disconnected then he disappeared on us .
We need to ascertain what hoses go where and what wires get hooked up to the alternator and to what studs.
Any help with photographs or diagrams would be most appreciated.
My 1987 32-3 Prestolite 65 am 8MR2198L alternator and the starter, and the non-original looking glowplug wire looked like these photos.
 

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Jcrilly1

Junior Member
Wow. I wonder if he even remembered to cash your check? :(
There are a lot of photos on this site of that particular engine. It will help if you post some photos of your engine as it sits, right now. And, photos of "left over parts" arranged neatly.
All the best, Loren
Loren, He got paid , lots of drama with that guy . He did get the engine running . I’m having difficulty posting photos . I’ll give another try in a few minutes . Thanks , Joe
 

Jcrilly1

Junior Member
Have you heard the engine run ? Did you pay him ? I think it may be difficult to do from pictures unless you have a pretty good grasp of marine mechanics. No it's not rocket science but commissioning an engine install is pretty critical so you need to get it right. Maybe find another mechanic ? And yes pictures please.
Dave, He got the engine running . Finding someone to work on sailboat engines in South Jersey is difficult . I’m an aircraft mechanic , if this engine was running I’m pretty sure I can maintain it . My concern is to not hook something up wrong . Thanks , Joe
 

Jcrilly1

Junior Member
My 1987 32-3 Prestolite 65 am 8MR2198L alternator and the starter, and the non-original looking glowplug wire looked like these photos.
Mike , Thanks Is that an OEM alternator ? Not sure if mine is or not , but it looks different .thanks , Joe
 

Mike Dean

New Member
Sorry I am not sure about the alternator history, but it is typical of the 1987 era. Here is what my 1987 32-3 water pump connections look like.
 

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peaman

Contributing Partner
Mike , Thanks Is that an OEM alternator ? Not sure if mine is or not , but it looks different .thanks , Joe
There are variations in engine and alternators. You should get the model number from the engine (location and format can be discovered by searching this site), and you should get any data from the rear of the alternator. In the resources section of this site, you should be able to download an engine manual to match your model, and that may have adequate detail on the hookup of whichever alternators were available from the factory. Photos of front and rear of engine, of rear of alternator, as well as engine compartment will be tremendous help in figuring this out.
 

Loren Beach

O34 - Portland, OR
Senior Moderator
Blogs Author
Our '88 Universal M25XP had the "stock" 50 amp Motorola alternator, if that's any help. I did have it rebuilt once.
 

Jcrilly1

Junior Member
Wow. I wonder if he even remembered to cash your check? :(
There are a lot of photos on this site of that particular engine. It will help if you post some photos of your engine as it sits, right now. And, photos of "left over parts" arranged neatly.
All the best, Loren
Loren , I tried uploading photos off of my iPhone . It won’t take them it says they’re too big . Any ideas ?
Thanks, Joe
 

Prairie Schooner

Jeff & Donna, E35-3 purchased 7/21
Loren , I tried uploading photos off of my iPhone . It won’t take them it says they’re too big . Any ideas ?
Thanks, Joe
There's a cumbersome way to do it if you're restricted to an iPhone.
Save the image to Files. If it's a recent model/OS it will probably be saved as a large .heic
In Files, hold a finger on the image til a menu pops up. Scroll down.
Tap "Quick Actions".
Tap "Convert Image".
Tap "JPEG".
Tap "Large".
. . and it will be saved as a smaller size .jpg which will upload to the site. It can also be renamed at that point. If you have the latest OS you can also do some simple cropping and editing with Preview.
This is far easier on a laptop. I use Gimp on my MacBook. It is a free download and works much like Photoshop of several years ago, though much much less intuitive. There are gobs of tutorials online. And it's free.
 

Kenneth K

1985 32-3, Puget Sound
Blogs Author
For the coolant hose hookups, I think you'll find everything you need posted somewhere in this "master thread:"

 

JSM

Sustaining Member
Here are some shots of my '87 M25xp. Disregard the wires running up to the top of the engine compartment they are connected to a relay that was added for the glow plugs. The alternator is original to the engine.
 

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JohnW

Member I
I recently reattached my engine wiring as a part of replacing the alternator mount on an M25. I followed Christian's Engine Wiring Upgrade Part 2 blog post, and added a grounding bus bar, then replaced the engine harness orange wire that goes to the ammeter in the cockpit instrument cluster, with a 2 AWG wire that connects to the starter's B+ stub, bypassing the ammeter. I was able to find the wiring diagram for the M25 engine harness in the resources section, and that was very helpful. This is how I rewired the alternator on the M25.
 

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