GM Repair Questions? Ask a Mechanic for Answers ASAP
ok, under the passenger side of dash is a black panel you will have to remove. the temp door actuator is bolted to the bottom of the dash, just above the center floor hump.
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In order to avoid actuator damage, DO NOT apply power to the actuator when it is not installed in the HVAC module. DO NOT plug in the new actuator until it is installed!
the passenger side actuator is bolted on the top of the heater case under the upper dash pad. the instructions state the entire dash panel needs to be removed, you can get to the actuator by just removing the upper dash panel and some of the defrost duct work. this way takes about 3 to 4 hours, opposed to removing the entire dash 8 to 10 hours of work.
Lift the trim panel up to disconnect the electrical connector (1) to the ambient light sensor on the underside of the trim panel.