GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Blazer - 4WD 🢒 Body 🢒 Body Rear End 🢒 Body Rear End Schematics
Figure 1:

Input
Object Number: 1509551 Size: FS
Master Electrical Component List
Rear Hatch/Gate Description and Operation General
Output
ILLUM Fuse 12
G203 and G204 - Utility w/Manual A/C
04 S/T Classic DaClass 2 Serial Data
G203 and G204 - Utility w/Manual A/C
Figure 2:

Output
Object Number: 755926 Size: FS
Master Electrical Component List
Rear Hatch/Gate Description and Operation General
Gate Ajar Indicator
Input
B+ Bus Bar
MIR/LKS, FOG LP Fuses and DRL, Headlamp Power Relays
Endgate Lock Cylinder Switch Inputs - Utility
G420, G450 and S427
Figure 3:

Gate Ajar Indicator
Object Number: 755927 Size: FS
Master Electrical Component List
Rear Hatch/Gate Description and Operation Gate Ajar Ind
Output
Indicators
04 S/T Classic DaClass 2 Serial Data
G420, G450 and S427