HVAC Schematics. GMC Truck Sonoma Pickup

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2002 🢒 Sonoma Pickup - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 HVAC Schematics

Figure 1:	Blower Controls Master Electrical Component List Air Delivery Description and Operation A/C Compressor Clutch Coil, Relay, Diode and High Pressure Cutoff Switch Ign ACC, RUN and RAP Bus Bar AUX PWR, RDO BATT and HDLP SW Fuses AUX PWR, RDO BATT and HDLP SW Fuses ILLUM Fuse 12 B+ Bus Bar HVAC Vacuum Control Solenoid Valve Assembly and Electric Actuator SP201 (4.3L) G203 and G204 (Utility w/ Automatic A/C) Headlight Leveling Schematics G203 and G204 (Utility w/ Automatic A/C) Pulse Wipers G104 and G117
Figure 2:	A/C Compressor Clutch Coil, Relay, Diode and High Pressure Cutoff Switch Master Electrical Component List Air Temperature Description and Operation ECC Module and Temperature Sensors Blower Controls B+ Bus Bar B+ Bus Bar SP201 (4.3L) G102 (Except Export) G103 and G105 (4.3 L)
Figure 3:	ECC Module and Temperature Sensors Master Electrical Component List Air Temperature Description and Operation HVAC Vacuum Control Solenoid Valve Assembly and Electric Actuator A/C Compressor Clutch Coil, Relay, Diode and High Pressure Cutoff Switch
Figure 4:	HVAC Vacuum Control Solenoid Valve Assembly and Electric Actuator Master Electrical Component List Air Delivery Description and Operation ECC Module and Temperature Sensors Blower Controls Inside Rearview Mirror Schematics G202 (Utility and Crew Cab)