GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
1999
🢒
GMC C-Series Medium Duty Truck B7
🢒
Body and Accessories
🢒
Horns
🢒 Horn Component Views
Figure
1:
IP Harness to Dash Panel, Right Forward
(1)
Relay Center
(2)
Vehicle Speed Sensor (VSS) Buffer
(3)
Fuse Block 2
(4)
Fuse Block 1
(5)
IP Fuse Block/Mini-Relay Center
(6)
Flasher/Relay Center, Position 3
(7)
Flasher/Relay Center, Position 2, Exhaust Brake Relay
(8)
Flasher/Relay Center
(9)
Flasher/Relay Center, Position 1
Figure
2:
Steering Wheel
(1)
Positive Horn Cap Connector
(2)
Steering Wheel Horn Cap (Switch)
(3)
Negative Horn Cap Connector
(4)
Steering Wheel
(5)
Steering Column
Figure
3:
Engine Harness to Horns, RH Front View
(1)
F-Note Horn (Low)
(2)
A-Note Horn (High)