GMC 1500 sierra a/c and heater problem.

Asked by Guru9DDZWF Oct 26, 2020 at 11:16 AM about the 2000 GMC Sierra 1500 SLT Extended Cab SB

Question type: Maintenance & Repair

With the heater hoses connected to allow water flow the heater stays on . The
a/c will not come on.. Disconnect heater hoses then connect them together A/C
works.

3 Answers

Your Answer:

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