1999 Jaguar XK8 battery is not holding its charge.

Car: Jaguar XK8
Year: 1999
Variant: 4l V8
Draining overnight. battery only a yr old. what could be draining the battery?
Posted: Aug 9, 2021 (2 years ago)
First of all you will need to get your battery LOAD tested , even though only a year old . Next LOAD test your alternator and check charging rate . If all o.k you will need to check for a parasitic drain .
Posted Aug 9, 2021 (2 years ago)
Thanks. I think it is a parasitic drain
Posted Aug 9, 2021 (2 years ago)

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