Lumbar Support Schematics. GMC Truck Envoy

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2001 🢒 Envoy - 4WD 🢒 Body and Accessories 🢒 Seats 🢒 Lumbar Support Schematics

Figure 1:	Lumbar w/o Memory Seats Master Electrical Component List Lumbar Support Description and Operation Lumbar w/ Memory Seats Ign ACC, RUN and RAP Bus Bar Power Seats, Power Windows Circuit Breakers and RAP Relay S313 and S419 G420,G450 and S427 (Utility w/ Endgate and Crew Cab) B+ Bus Bar S320 and S420
Figure 2:	Lumbar w/ Memory Seats Master Electrical Component List Lumbar Support Description and Operation 8-Way LH Power Seat B+ Bus Bar HTD SEAT, ATC, HVAC and A/C Fuses S313 and S419 G420,G450 and S427 (Utility w/ Endgate and Crew Cab) HTD SEAT, ATC, HVAC and A/C Fuses S320 and S420