GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Montana 🢒 Body and Accessories 🢒 Seats 🢒 Heated Seats Schematics
Figure 1:

Driver Seat Heater Module, Heated Seat Switches
Object Number: 616257 Size: FS
Power Seat Systems Components
Heated Seats Circuit Description
Passenger Seat Heater Module
Interior Lights Dimming Schematics (Cell 117: Rear Window Wiper/Washer and Multifunction Switch, Window Switches, Door Lock Switches)
Cell 14: G200
Passenger Seat Heater Module
Cell 14: G301
Passenger Seat Heater Module
BATT Main 2, Headlamps, ELC/Trailer, RR Defog/HTP Mirrors and RR Fog LP Fuses and PWR/ Heated Seat PSD Circuit Breaker
HVAC/DIC/DRL/Heated Seat, HVAC Blower and RR HVAC/TEMP CONT Fuses
Figure 2:

Passenger Seat Heater Module
Object Number: 616258 Size: FS
Power Seat Systems Components
Heated Seats Circuit Description
Driver Seat Heater Module, Heated Seat Switches
Cell 14: G301
Driver Seat Heater Module, Heated Seat Switches