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Cooling fan will not turn off
I am having same issue with my 2005 Tahoe. Replaced 5 pin fan relay (even though tested good), thought the issue was resolved but next morning same dead battery and fans running constantly. Pulled PCM, all appears good, no corrosion or signs of moisture infiltration. Once I connect charger...- Tahoe05chuck
- Post #25
- Forum: Engine & Drivetrain
