Lumbar Support Schematics. GMC Truck Sonoma Pickup

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2003 🢒 Sonoma Pickup - 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 POWER SEATS, POWER WINDOW Circuit Breakers and RAP Relay POWER SEATS, POWER WINDOW Circuit Breakers and RAP Relay S313 and S419 G420, G450 and S427 - Utility and Crew Cab B+ Bus Bar S320 and S420
Figure 2:	Lumbar w/ Memory Seats Master Electrical Component List Lumbar Support Description and Operation Lumbar w/o Memory Seats B+ Bus Bar HTD SEAT, ATC, HVAC and A/C Fuses S313 and S419 G420, G450 and S427 - Utility and Crew Cab HTD SEAT, ATC, HVAC and A/C Fuses S320 and S420