I got a new battery and checked alternator
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2004 Chevrolet Trailblazer Question: What is the problem when gauges are erratic up and down?
Answer #1Tomiko January 19, 2013, 16:27Journeyman
maybe there is an electrical issue
Answer #2raymond1 January 21, 2013, 08:07Rookie
Ihad an alternator installed but now the check gauge come on and and the battery gauges drop all the way down whwat you yhink the problem is?my truck is a 2002 dodge dakota 3.9 engine