GMC Envoy II (2001-2009) Electronic suspension circuit

4.2L AIR SUSPENSION COMPRESSOR ASSEMBLY (BEHIND RIGHT REAR WHEELWELL) AIR SUSPENSION INFLATOR SWITCH (ON RIGHT SIDE OF CARGO AREA, ON TRIM PANEL) BLK WIRE BREAKOUT) BRN WIRE CONTROL GROUND LED SIGNAL DK GRN/WHT WIRE ECAS FUSE 1 FUSE 48 HOT AT ALL TIMES HOT IN RUN INSTRUMENT PANEL CLUSTER LEFT REAR AIR SUSPENSION SENSOR (ON FRAME RAIL, NEAR LEFT REAR SUSPENSION ARM) ORG/ WIRE POWERTRAIN CONTROL MODULE (4.2L) ENGINE CONTROL MODULE PPL RADIO (PREMIUM) REAR FUSE BLOCK (BELOW LEFT REAR SEAT) RED WIRE RIGHT REAR AIR SUSPENSION SENSOR (ON FRAME RAIL, NEAR RIGHT REAR SUSPENSION ARM) TAN WIRE TRANSMISSIONS SYSTEM UNDERHOOD FUSE BLOCK (ABOVE LEFT FRONT WHEELWELL) VSS