Battery light in dash board not working

Stephen Miranda

Asked by Mar 22, 2016 at 05:35 PM about the 2002 Saab 9-3 SE

Question type: Maintenance & Repair

My car is losing charge in battery so I tested the
voltage output of the alternator (batterys new from
store) and found out that the alternator is not good
however i just realized the battery light in the dash
board hasnt been lighting up even when i just turn
the key.  Can that light have something to do with
the draining of my battery. I'm switching out
alternator tomorrow

1 Answer


Don't think so. That light turns on when your car detects it is discharging the battery. Switching the alternator will likely solve your problem but it sounds like you should have that light circuit checked as well if it has not come on with a bad alternator.

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