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Ironhead Sportster Motorcycle Talk (1957-1985) For all those that wanna talk about Ironhead Sportster Motorcycles

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  #11  
Old 1 Week Ago
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When you measured the regulator resistance, did you do it off the bike like the instructions say to? Have you verified the regulator has a good connection to ground?
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  #12  
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I took a reading off the bike. The instructions were a little confusing but I figured since it was looking for a measurement in ohms, I set It to the ohmmeter.
I have read that I should Be checking the diodes on the diode setting though.
The ground I had it attached to while it was on the bike was good. I verified It with my multimeter.
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  #13  
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Quote:
Originally Posted by Helldriver View Post
I took a reading off the bike. The instructions were a little confusing but I figured since it was looking for a measurement in ohms, I set It to the ohmmeter.
I have read that I should Be checking the diodes on the diode setting though.
The ground I had it attached to while it was on the bike was good. I verified It with my multimeter.
In the diode setting, the meter supplies a DC voltage to forward bias the diode. The reading on the meter display will be in DC volts. Usually around .6 VDC for one diode.
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  #14  
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Quote:
Originally Posted by Helldriver View Post
At this point, I’m assuming the regulator/rectifier is shot.
But the alternator is functioning and the installed washer is preventing the oil from seeping.
Is there a preferred regulator/rectifier anyone would suggest?
V-Twin list the replacement as # 32-0667
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  #15  
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Got it all sorted.
Checked the diodes on the regulator/ rectifier and they were bad.
The supplier said they’d replace it for a new( functioning) one.
I pulled a thread or two out of the alternator taking it in and out to check clearance in the washer. I was Able to helicoil the alternator and mount it with no issues.
I appreciate all the advice.
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