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Intermittent instrument clusters working. Today battery wont hold a charge. 1999 Plymouth Voyageur. 300k+ km. Last winter the instrument cluster stopped working, started again in the spring. It quit again a month ago. Replaced the cluster with the same result. Yesterday, I left the door open for about ten minutes (interior lights on and engine not running) needed a boost. Today the van stopped running while driving (battery died). Headlights, radio and fan on. Had the van towed home Battery is about a year old. Tested three times and it is “ok”. Is this a ground issue? Do I need an alternator? Computer? Any thoughts? Help! Dave

Start by cleaning your battery terminals then test the alt with multi meter you defiantly have issue with your electrical system