HVAC issue

By jefffoxsr
July 30, 2012 in 1999-2013 Silverado 1500 & Sierra 1500

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jefffoxsr

Posted July 30, 2012

2003 Yukon SLT. Electronic HVAC system. The fan control to increase the fan speed is intermittently not increasing the fan speed as it is turned up. What do I need to check or replace?

Thanks.

gmtech4

Posted July 31, 2012

check your htr fan resistor under passenger side dash,look close for discoloured wires/melted connector ,,,

do a search here for the same ,lots of topics on it

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