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International Automotive Technicians Network
Re: 01 GMC 2500HD HVAC Control problem
Posted to HVAC Forum on 7/12/2005

Hiya Martin,

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Along with setting a B0184-sunload sensor code. I wasn't really concerned about the sunload sensor, the 4.74volts is the norm value I see in the bay. BTW it did drop voltage once parked... Login to read more.