10 SI alternator from 9/13/19

55 50 Ron

Well-known Member
Results of testing thus far shows rectifiers and diode trio are all good. What is correct procedure to test regulator? I found an article that says specialized test equipment is needed - I measured with ohmmeter across regulator terminals 1 and 2 and find 37 K ohms with test leads in either polarity. I don't know if that's good or bad. What to do or measure next? Thanks
 
If the stator windings look good and are not open or shorted to the laminations you may as well replace the VR, some $5 and up on ebay, with free shipping.
 
10SIs have a small hole on the back where you'll see a small tab. Screwdriver to short the tab to the case to give the full output. Just like grounding the F terminal of a generator.
 

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