Pontiac tempest 1968 Service Manual page 18

H E A T I N G A N D V E N T I L A T I O N
1-3
NOTE; CABLES MUST BE ROUTED
SMOOTHLY & FREE FROM
BENDS & KINKS.
F i g . 1-2 Control Panel and C a b l e Routing—Tempest
BLOWER SPEED SWITCH
REMOVE AND REPLACE
PONTIAC
NOTE: When replacing this switch, note the posi­
tion of the defective switch and mount the new
switch in the same position. If the blower does not
function properly, use the procedure below.
1. Turn control knob counterclockwise to the stop.
2. Remove two 1/4" hex screws and remove
switch.
3. Attach new switch leaving screws loose enough,
so that the switch can be rotated in its slots.
4. Make sure that the control knob is all the way
counterclockwise, bend the wire link until no red
bars can be seen.
5. Attach the electrical connector to the new
switch.
6. Rotate the control knob until four red bars are
seen.
7. Rotate the switch in the slots until the blower
just passes into the MED-2 operating speed (there
are four speeds: LO, MED-1, MED-2, & HI).
8. Be careful that the switch does not rotate;
tighten screws.
9. Check to see that the blower passes from
MED-1 to MED-2 when four red bars are showing
on the front of the control head to insure proper
blower operation.
TEMPEST
1. Disconnect battery.
2. Disconnect wires from blower switch (Fig. 1-2).
3. Remove plastic knob from lever.
4. Remove switch from panel.
5. Replace by reversing the above procedure.
FIREBIRD
1. Remove instrument panel trim plate.
2. Remove control assembly -to -instrument panel
reinforcement attaching screws and push the control
toward the front of the vehicle and down.
3. Remove the two switch attaching screws and
electrical connector.
4. Install switch, screws, and electrical connector.