GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Thermo Cupholder - Sierra Professional Only


Object Number: 879157  Size: FS
Master Electrical Component List
Console Description
Thermo Cooler - Sierral Professional Only
BRAKE, Cruise, HTR A/C, RR WPR, WS WPR, and SEO ACCY Fuses
BRAKE, Cruise, HTR A/C, RR WPR, WS WPR, and SEO ACCY Fuses
G203 - 3 of 3
G203 - 1 of 3
Figure 2:

Thermo Cooler - Sierra Professional Only


Object Number: 879160  Size: FS
Master Electrical Component List
Console Description
Thermo Cupholder - Sierra Professional Only
SEO 1, SEO 2, RR HVAC, EXP LPS, ATC, and RR WPR
SEO 1, SEO 2, RR HVAC, EXP LPS, ATC, and RR WPR
G203 - 3 of 3
G203 - 1 of 3