Question about 1985 Jaguar XJ6
You need to get yourself a cheap digital voltmeter so that you can check charging voltage. It should be close to 14 volts. Also a repair manual, does the car have an external voltage regulator? If so, change it and check again. Check that the belt is tight! If you have a new alternator and regulator and no charging, it's likely a wiring problem or blown fuse. Scour the wiring diagram and your fuse box(es) for a "charging" fuse.
Posted on Mar 08, 2009
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