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ABS light, parking brake light, and no heat or fan -- HELP
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thcguy12
New User
Jan 5, 2020, 8:08 PM
Post #1 of 2
(1242 views)
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ABS light, parking brake light, and no heat or fan -- HELP
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08 GMC envoy. 4.2L
95000 miles RWD
Weird car issue:
Today I went out to go somewhere and my GMC envoy had multiple warning lights on. ABS, parking brake, and traction stabilty control lights all on + the heater would blow nothing but cold air. Heater would not change zones, fan speed, temp. Just cold air blowing. Car drives fine. Engine is warm. Seems bad.
I was driving home and hit bump going into neighborhood - all the warning lights went off and heat started blowing hot.
WHAT DO YOU THINK MY ISSUE IS?
Tried to check wiring on battery and ground. Seems fine.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 5, 2020, 8:39 PM
Post #2 of 2
(1238 views)
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Re: ABS light, parking brake light, and no heat or fan -- HELP
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Probably a bad power source or ground connection somewhere. Go over all the grounds and power connection near the battery and fuse box. Jiggle the wires and watch for a response.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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