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Re: '04 Colorado stops cooling
Posted to HVAC Forum on 6/8/2008

Hi Brian,

You say the A/C request in the BCM mirrors the clutch.

The lt grn wire is the request out of the control head to the evap temp sensor. The dk grn/wh is the output of the evap temp sensor to the BCM. So measure the lt grn out of the control head a... Login to read more.