Automatic Transmission Controls Schematics. GMC Truck Yukon XL - 2WD 2003

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2003 🢒 Yukon XL - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E/4L85-E 🢒 Automatic Transmission Controls Schematics

Figure 1:	Valve Controls and Brake Switch Master Electrical Component List Electronic Component Description Switch Inputs Automatic Transmission Schematic Icons Ignition, Run and Start Bus Bar Ignition, Run, Start, Accy Bus Bar BRAKE, HTR/AC, HVAC I, CRUISE, 4WD Stoplamp Switch and Traction Control Switch IGN 0, TBC IGN 0, TBC ACCY, SEO ACCY, WS WIPER, RR WIPER
Figure 2:	Switch Inputs Master Electrical Component List Electronic Component Description Tow/Haul Switch and PNP Switch Inputs Valve Controls and Brake Switch Automatic Transmission Schematic Icons
Figure 3:	Tow/Haul Switch and PNP Switch Inputs Master Electrical Component List Electronic Component Description Vehicle Speed Signal and 4WD Low Signal Switch Inputs Automatic Transmission Schematic Icons SP205 - 2 of 2 G203 - 2 Of 2 G203 - 1 Of 2 G203 - 1 Of 2 G102, G103
Figure 4:	Vehicle Speed Signal and 4WD Low Signal Master Electrical Component List Electronic Component Description Tow/Haul Switch and PNP Switch Inputs Automatic Transmission Schematic Icons