Chevrolet 10 1971 Series Chassis Service Manual page 402

ELECTRICAL— BODY AND CHASSIS 12-16
Charging Systems under Engine Electrical, Section 6Y.
AMMETER GAU GE REPLACEMENT (Figs. 8,11,12,13)
Conventional Cab Models
1. Remove instrument cluster assembly and laminated
circuit as previously described in this section.
The directional signal switch is a self-contained unit
which incorporates the hazard warning switch and the
lane changing signal. The switch is one complete plastic
assembly and is serviced as a unit except for the spring
detent, yoke assembly and cancelling springs.
The hazard warning circuit is activated by a push-pull
switch which is located on the right side of the mast
jacket, opposite the directional signal lever. The switch
knob must be pulled to cancel circuit.
The lane changing circuit is activated by holding the
directional signal lever in the first detent position; there
is no lock in or cancelling device in this position.
DIRECTIONAL SIGNAL SWITCH REPLACEMENT
(Fig. 15)
1. Cancelling Cam
2. Directional Lever Retaining Screw
3. Switch Mounting Screw
4. Switch
5. Upper Bearing
DIRECTIONAL SIGNAL CONTROL
Fig. 15— Directional Signal Assembly - Conv. Cab & P Series
2. Remove terminal nuts retaining printed circuit to
gauge unit.
3. Remove three attaching screws, cover and gauge
assembly from cluster housing.
4. Remove terminal attaching nuts and gauge unit from
cover plate.
5. To install, reverse removal procedure and check
operation of unit.
1. Disconnect battery ground cable.
2. Remove steering wheel assembly (Refer to Steering
Section 9), preload spring and cancelling cam.
3. Remove shift lever roll pin and shift lever (if
applicable).
4. Remove directional signal lever retaining screw and
lever.
5. Push in hazard warning knob.
Hazard switch knob must be pushed in to
NOTE:
prevent damage to switch when removing from
switch cover.
6. Disconnect switch wiring from chassis harness at
multiple connector under instrument panel.
6. Bearing Support
7. Switch Cover
8. Lever Arm
9. Washer
10. Wiring Connector
10-30 CHEVROLET TRUCK SERVICE MANUAL