Pontiac FIREBIRD 1972 Service Manual page 41

1-20 1972 PONTIAC SERVICE MANUAL
Fig. 1-19 F Series Heater Wire Harness Routing
6. Disconnect resistor connector (except B Series).
7. Remove glove box (B Series only), remove 2 harness
retaining screws (B Series only), pull harness from
wire clips and remove harness.
8. To replace, reverse removal procedure.
9. Check operation. Make sure dash grommet is in place
and resealed.
DEFROSTER NOZZLE (DUCT)
REMOVE AND REPLACE
-
B SERIES (WITHOUT
A/C)
1. Disconnect battery.
2. Remove center ash tray and remove lower instru-
ment panel trim plate (4 screws).
3. Remove radio knobs and bezels. Remove upper I.P.
trim plate (5 screws) and remove radio.
Remove plastic filler panel on top of I.P. at base of
windshield.
Remove windshield garnish mouldings at both ends
of instrument panel.
Remove 4 bolts retaining I.P. pad extension to cowl.
Remove center I.P. brace (2 bolts), disconnect shift
quadrant cable, remove 2 nuts and lower steering
column.
Disconnect heater control cables at heater case.
Remove 3 retaining screws and position heater con-
trol panel and outlet bezel away from I.P. opening.
Remove upper vent duct retaining screw.
Remove lower I.P. bolts (at extreme ends of I.P.
asrp.).
Place rags or fender pad on steering column, discon-
nect speedometer cable, tilt I.P. pad toward rear of
car and allow pad to rest on steering column.
Remove upper vent duct screw at cowl and remove
duct.