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Fusible alternator link |
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MustangMadness 
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Joined: April-15-2014 Location: Seacoast NH Status: Offline Points: 114 |
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 Topic: Fusible alternator linkPosted: June-27-2016 at 2:07pm |
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Can I remove the epoxy ball from the alternator output lead on my 1976 Mustang OMC?
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I like a 6' beam on a small lake... My Muscleboat
1975 Mustang 225 307RH |
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: June-27-2016 at 6:22pm |
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I don't feel that's an "epoxy ball". OMC uses a diode spliced into the output to prevent a parasitic discharge. Why do you want to remove it???
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MustangMadness
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Joined: April-15-2014 Location: Seacoast NH Status: Offline Points: 114 |
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Posted: June-28-2016 at 8:19am |
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According to my parts manual, it is a 60amp fuse..
While trouble shooting the voltage regulator, I sent battery voltage to alternator field and the ball had a slight melt down. |
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I like a 6' beam on a small lake... My Muscleboat
1975 Mustang 225 307RH |
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: June-28-2016 at 8:39am |
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Terry,
Do you have the wiring diagram? Your parts manual may list a fuse but not a location? I still feel the part is a diode. There's actually a thread on the OMC diode someplace. I'll go searching. Why the troubleshooting? What was going on? |
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8122pbrainard
Grand Poobah
Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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Posted: June-28-2016 at 9:22am |
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MustangMadness
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Joined: April-15-2014 Location: Seacoast NH Status: Offline Points: 114 |
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Posted: June-28-2016 at 12:36pm |
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My battery stopped charging. I measure only 12.5v when running above idle. When running my amp meter (not a voltmeter) reads 0 or slight discharge. That ball device is on the output from the alternator to battery lead on the starter solenoid, not the vreg output to field.. It would make more sense to me if it were a fuse. I would include a pic of it if I were up at my camp. I will include in a day or 2.
It looks like this ball  https://www.marineengine.com/newparts/part_details.php?pnum=OMC0383432I found a new one on eBay  $20 delivered, can't beat it! I guess it is a fusible link of sorts. Thanx Pete! |
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I like a 6' beam on a small lake... My Muscleboat
1975 Mustang 225 307RH |
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MustangMadness
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Joined: April-15-2014 Location: Seacoast NH Status: Offline Points: 114 |
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Posted: July-05-2016 at 10:31am |
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New voltage regulator and fusible link did the trick. Great boating day yesterday
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I like a 6' beam on a small lake... My Muscleboat
1975 Mustang 225 307RH |
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