2002 XJ8 Alternator turned on 3.45V with ignition off energizing the rotor

(Malcolm J Ives) #1

3.45v feed to alternator with key off?

(Neil Bennett. Patron) #2

Sounds like a welded relay or a s/c FET.

Check:

http://jagrepair.com/images/AutoRepairPhotos/jagxj2002.pdf