GMC 1982 Light Duty Truck Service Manual page 35

1A-10 HEATER
wiring harness. Be careful not to kink the bowden
cables.
4. Remove the control through the opening above the
control.
5. If a new unit is being installed, transfer the blower
switch to the new unit.
6. To reinstall, reverse Steps 1 thru 4.
G M odels
R eplacem ent (Fig. 1 A -15)
1. Disconnect the battery ground cable.
AUTOMATIC TRANSMISSION MODELS
EXCEPT C-K 10 350 V8 W /O VOI OR C60 )
C- K M O D E LS
G MODELS
Fig. lA-8--Heater Hose Routings
2. Remove I.P. bezel as outlined in Section 8C of this
manual.
3. Remove the control to in stru m e n t panel m ounting
screws (3) and carefully pull the control rearward far
enough to gain access to the bowden cable attachments.
Care should be taken to prevent kinking the bowden
cables while lowering the control.
4. Disconnect the bowden cables, the control illumination
bulb, the blower switch connector and remove the
control from the vehicle.
5. Remove the blower switch screws and remove the
blower switch.
6. To install, reverse Steps 1 thru 4.