GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Blazer - 4WD - RHD 🢒 Body and Accessories 🢒 Horns 🢒 Horn Component Views
Figure 1:

Horns
Object Number: 354766 Size: LF
(1)Fender, LF
(2)Horn - Left
(3)Insulator
(4)Horn - Right
(5)Fender, RF
Figure 2:

Forward Lamps Harness, LH
Object Number: 406302 Size: LF
(1)C132
(2)Repeater Lamp - Left Extension Harness Connector
(3)Horn - Left
(4)Horn - Left Connector
(5)Repeater Lamp - Left
(6)Forward Lamps Harness
(7)C130
(8)Fender, LH
Figure 3:

Fuse Block - Underhood
Object Number: 406303 Size: LF
(1)Fuse Block - Underhood
(2)Connector C106, Inline to Body Harness
(3)RH Front Fender
(4)Horn - Right
(5)Horn - Right Connector
(6)Forward Lamps Wiring Harness
(7)Battery
(8)Repeater Lamp - Right Connector
(9)Repeater Lamp - Right Extension Harness Connector
(10)Fuse Block - Underhood Connector C3
(11)Fuse Block - Underhood Connector C4
Figure 4:

SIR Steering Wheel Module and Coil
Object Number: 357153 Size: MF
(1)Multifunction Switch
(2)Horn Switch
(3)Supplemental Inflatable Restraint Steering Wheel Module