GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 TrailBlazer - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Power Seats Schematics
Figure 1:

Driver w/o Memory
Object Number: 864024 Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Driver w/Memory - Power, Ground, and Controls
B+ Bus - Rear Fuse Block
Driver Controls w/o Memory
G302 - 1 of 2, G303 and G304
Figure 2:

Driver w/Memory - Power, Ground, and Controls
Object Number: 744057 Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Driver w/Memory - Motors and Position Sensors
Driver w/o Memory
B+ Bus - Rear Fuse Block
RR FOG, LR PARK, TR PARK, RR PARK, F PARK, LGM 2 Fuses, RR WIPER and SEATS Circuit Breakers
LGM/DSM, OH BATT/ONSTAR, RADIO, HVAC B
Passenger w/Heat
Driver w/Memory - Motors and Position Sensors
G302 - 1 of 2, G303 and G304
Figure 3:

Driver w/Memory -- Motors and Position Sensors
Object Number: 1239725 Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Passenger w/o Heat
Driver w/Memory - Power, Ground, and Controls
Driver w/Memory - Power, Ground, and Controls
Figure 4:

Passenger w/o Heat
Object Number: 864025 Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Passenger w/Heat
Driver w/Memory - Motors and Position Sensors
B+ Bus - Rear Fuse Block
Passenger Controls w/o Heat
G302 - 1 of 2, G303 and G304
Figure 5:

Passenger w/Heat
Object Number: 744058 Size: FS
Master Electrical Component List
Power Seats System Description and Operation
Passenger w/o Heat
B+ Bus - Rear Fuse Block
RR FOG, LR PARK, TR PARK, RR PARK, F PARK, LGM 2 Fuses, RR WIPER and SEATS Circuit Breakers
Driver w/Memory - Power, Ground, and Controls
G302 - 1 of 2, G303 and G304