2004 GMC Sierra 2500 ex cab - battery runs down if not driven 2-3 days..have new battery..has been in shop they couldn't find a problem.I pointed out the little blinking radio light stays on when the truck is turned off.Was told that didn't matter...how can I turn it off and check myself?

Asked by Sep 13, 2015 at 03:10 PM about the 2004 GMC Sierra 2500HD 4 Dr SLE 4WD Extended Cab LB HD

Question type: Maintenance & Repair

Please help with this problem

4 Answers

Parasitic drain

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https://www.youtube.com/watch?v=KF1gijj03_0

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Are you talking about a little red LED that flashes? If so, that's not radio, it's anti-theft, and should blink. But it draws 0.02 amps and your battery can handle that for 4 to 6 months.

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Thank you for ya'lls input

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