car in discharge

Asked by May 31, 2015 at 10:52 AM about the 2003 Chevrolet Blazer 4 Door LS 4WD

Question type: Maintenance & Repair

car dies when battery dis connected. Has new alternator and battery. What else could it
be?

2 Answers

19,785

something has to supply 12 volts to the system..if you take the battery cable off when its running and it stalls,the alt is bad ( new or not )...but if you had it out 4 wheelin..check wires to starter also..there could be a problem in the loop.

16,915

Do you have any other problems? Like is the battery light on showing the alternator not charging? If this is your only symptom then just stop doing it. This test doesn't work on all cars anymore.

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