Pontiac tempest 1968 Service Manual page 624

CHASSIS E L E C T R I C A L SERVICE
1 2 - 3
FUSE BLOCK
1. Remove bolt holding front end and engine har­
ness to fuse block. Separate harnesses.
2. Inside car, remove two screws retaining fuse
block to dash.
3. Remove remaining in-car wire connectors.
4. Remove fuse block and harness.
5. To replace, reverse removal procedure.
WIRING HARNESS
Procedures for removing the wiring harnesses can
be obtained from harness installation drawing shown
in Figs. 12-13 through 20.
SEAL BEAM (Includes Adjustment)
1. Remove plastic filler between lamps*
2. Remove seal beam rim retaining screws.
3. Remove wire connector and remove seal beam.
4. To replace, reverse removal procedure.
5. Adjust headlights as shown in Fig. 12-21. If
commercial aiming devices are used, follow manu­
facturer's instructions as well as local variations.
FRONT PARK AND SIGNAL LAMPS
1. To replace bulb remove lens.
2. To replace lamp assembly remove retaining
screws.
3. Disconnect electrical feed wire.
4. Remove lamp.
5. To replace, reverse removal procedure.
HORNS
1. Remove lower valance panel.
2. Remove horn wire.
3. Remove horn retaining screw.
4. Remove horn or horns.
HORN R E L A Y AND B U Z Z E R ALARM
1. Remove wire connectors.
2. Remove relay retaining screw.
3. Remove relay.
4. To replace, reverse removal procedure.
BRAKE WARNING LIGHT SWITCH
It is necessary to remove brake line distributor
to replace brake warning light switch. Instructions
for removal of the switch can be found in Section 5.
CORNERING LAMPS
For installation of cornering lamps see Fig. 12-22.
SIDE MARKER LAMPS
Front side marker lamps are integral with park
and directional signal lamp. The marker lamp is of
single filament type and has a single wire leading to
it from the front end harness. The rear marker
lamp, located in the quarter panel is also fed by a
single wire contained in the rear harness.
INSTRUMENT CLUSTER AND INSTRUMENT FACE PAD
Removal of these units can be accomplished by
using the following installation diagrams: Fig. 12-14,
12-23, 12-24. ,
PONTIAC
1. Disconnect battery (Fig. 12-14).
2. Remove the instrument panel pad.
NOTE: If car is equipped with front speaker,
disconnect speaker wire.
3. Remove two bolts on each end of instrument
panel trim plate.
4. On air conditioned cars it will be necessary to
remove lower duct assembly.
5. Remove bolts connecting instrument panel trim
plate and lower instrument panel.
6. If car is equipped with automatic transmission,
remove column cover and remove transmission
indicator.
7. On Grand Prix models it may be necessary to
disconnect vacuum lines from headlight switch.
8. On models with upper level ventilation system,
remove pipes connecting to nozzle.
9. If car is equipped with radio, remove bolt from
radio to radio support brace.
*10. If car is equipped with safeguard speedometer,
buzzer must be detached.
11. Disconnect feeder of fiber optic system from
cigar lighter.