Question about 2004 GMC Yukon
It's mean that the battery current to radio when to 0volt.
find out battery or alternator problems like battery voltage. a load test . or alternator is charging
hope it helps
Posted on Mar 20, 2014
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Posted on Jan 02, 2017
it sounds like you need a regulator for your alternater it is reversing polarity there for draining your battery and reseting the clock. it is located on the back of your alternator.hope this could help.
Posted on Jan 08, 2009
Not necessarily a problem. It depends on MANY things. If you are running lights, heater or AC, brake lights, all of these things can cause what you describe.
At speed (2,000 rpm or so), you need to be 14 volts or higher.
Fully charge, then load test battery.
If Battery okay, then load test the alternator to check output amps. If no tester is available, often parts stores will test for free.
Posted on Jul 28, 2010
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