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elkniks · 10-22-2019, 05:59 PM

I think I have figured it out. The sensor on the drivers side GM#15740822 is the sun load sensor for HVAC. The sensor on the passenger side GM#12450120 is the standard DRL ambient light sensor.

10-22-2019, 05:59 PM	#2
elkniks Registered User Join Date: Mar 2015 Location: Seaside,CA Posts: 142	Re: Dashboard ambient light sensors I think I have figured it out. The sensor on the drivers side GM#15740822 is the sun load sensor for HVAC. The sensor on the passenger side GM#12450120 is the standard DRL ambient light sensor.