TW20 bad alternator.

6620

Member
Alt gauge shows not charging. Took Alternator out and the repair shop says it is overcharging and sold me a new/reman alternator. What causes a alternator to overcharge? Thanks
 
Alt gauge shows not charging. Took Alternator out and the repair shop says it is overcharging and sold me a new/reman alternator. What causes an alternator to overcharge? Thanks
I was originally going to say Internal regulator failure. However, in this linked post Bern, who I would trust to give correct Ford information says that there is an external regulator on your tractor, so that could be the problem. Really nice of the repair shop to mention that!! They would move to my “I’ll give you business if I absolutely have no other option” list.
YT TW20 alternator thread
Edit: If it has been sitting in a shed rodent damage is another possibility.
 
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