GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Blazer - 2WD 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Heater Blower Controls Component Views
Figure 1:

Body Wiring to Blower Motor and Resistor
Object Number: 391654 Size: MF
(1)Blower Motor and Connector
(2)Blower Motor Relay
(3)Blower Motor Resistor and Connector
Figure 2:

S118, G117
Object Number: 391655 Size: MF
(1)S118
(2)G117
Figure 3:

Heater Controller
Object Number: 391642 Size: MF
(1)Heater Controller
(2)Heater Controller Connector C4
(3)Heater Controller Connector C1
(4)Heater Controller Connector C5
(5)S215
(6)Heater Controller Connector C3
(7)Heater Controller Connector C2