Control Cable Replacement; Cable Adjustment; Blower Switch Replacement - GMC G Service Manual

1A-12 HEATING

CONTROL CABLE REPLACEMENT

H Remove or Disconnect (Figure 12)
1. Battery ground cable.
2. Instrument panel bezel.
3. Control assembly from the instrument panel.
4. Cable retainers (53) and tab attaching screws (54).
• Pull the control out from the instrument panel for
access.
5. Instrument panel compartment.
. Cable retainers (53) and tab attaching screws (54) at
6
the heater case.
7. Cable from the retaining clip (58).
. Cable (51 or 52).
8
H Install or Connect (Figure 12)
. Cable (51 or 52).
1
] Important
• Do not kink the cable. Route the cable as
removed. Check the adjustment.
2. Cable to the retaining dip (58) at the heater case (24).
3. Cable retainers (53) and the tab screws (54) at the
heater case.
4. Instrument panel compartment.
5. Cable (51 or 52) to the control assembly (50).
. Cable retainers (53) and tab screws (54).
6
7. Control assembly (50) to the instrument panel.
. Instrument panel bezel.
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9. Battery ground cable.

CABLE ADJUSTMENT

M Remove or Disconnect (Figure 12)
1. Instrument panel compartment.
2. Retainer (53).
3. Screw (54) from cable tab (57).
NOTICE: Do not pinch the cable.
4. Cable (51 or 52) from the heater case (24).
. Cable (51 or 52) to the heater case (24).
1
2. Tab (57) to the clip (58).
3. Screw (54).
4. Instrument panel compartment.

BLOWER SWITCH REPLACEMENT

1. Battery ground cable.
2. Instrument panel bezel.
3. Control assembly (50) mounting screws.
4. Control assembly (50).
5. Blower switch wiring harness.
. Switch (56).
6
H
. Switch (56) to the control assembly (50).
1
2. Wiring harness to the blower switch (56).
3. Control assembly (50) to the instrument panel.
4. Instrument panel bezel.
5. Battery ground cable.
Figure 13 — Floor and Defroster Vents
\A
Adjust
• Hold the cable with a pair of pliers and rotate the
mounting tab (57) to lengthen or shorten the
cable.
Install or Connect (Figure 12)
Remove or Disconnect (Figure
• Pull the control out from the instrument panel.
Install or Connect (Figure 14)
14)