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GMC Forum: Replaced battery & alternator and battery is dead
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Old 03-12-2018, 07:57 PM
Exit63 Exit63 is offline
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Drives a GMC Truck
Join Date: Mar 2018
Posts: 2
Default Replaced battery & alternator and battery is dead

My Yukon’s heater core hose broke. I replaced both hoses and noticed the truck was ideling rough. Then noticed the traction control light came on. I drove the truck about 20 miles and the charging system light came on then the truck died. I had truck towed. I replaced both the alternator and battery and noticed the traction control light and engine light was on still. I came home from work jumped into the Yukon and the trucks battery was dead. What could cause the battery to completely drain while sitting home today? Could when the heater core line broke damaged some computer component? Could it be a ground wire causing the battery to drain? Any help would be great.Thanks
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