GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Impala 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Heated/Cooled Seat Schematics
Figure 1:

Driver
Object Number: 1888458 Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Passenger
BATT 2, HTD/SEAT, AIRBAG, PWR/MIR Fuses, and PWR/SEAT Circuit Breaker
BATT 2, HTD/SEAT, AIRBAG, PWR/MIR Fuses, and PWR/SEAT Circuit Breaker
Power, Ground, and Low Speed GMLAN Serial Data
G301
Figure 2:

Passenger
Object Number: 1888459 Size: FS
Master Electrical Component List
Heated Seats Description and Operation
Control Module References
Driver
BATT 2, HTD/SEAT, AIRBAG, PWR/MIR Fuses, and PWR/SEAT Circuit Breaker
BATT 2, HTD/SEAT, AIRBAG, PWR/MIR Fuses, and PWR/SEAT Circuit Breaker
Power, Ground, and Low Speed GMLAN Serial Data
G301