07-09 CHEVY GMC SILVERADO SIERRA 1500 CLIMATE HEATER CONTROL 25901387 TESTED Featured Products DT4A-12A650-ASA

DT4A-12A650-ASA

Step 2: Your ecu has skim so it will need programming or you will get a crank no start

Again NO trip to your dealer or local mechanic

ECU has requires programming before installation

07-09 CHEVY GMC SILVERADO SIERRA 1500 CLIMATE HEATER CONTROL 25901387 TESTED Featured Products DT4A-12A650-ASAPart Number 25901387 You must match this! Fitment Will fit the following vehicles with the same part number. 2007 to 2009 Chevy Silverado GMC Sierra models with the manual climate control and matching part number. Tech Notes Climate Control has been tested and or repaired by our experienced electronics repair techs! Some of those tests are listed below: Night illumination verified good or repaired as necessary Communication Blower speed switch A C