Chevrolet 10 1971 Series Chassis Service Manual page 398

ELECTRICAL— BODY AND CHASSIS 12-12
NOT USED
1. Instr. Cluster Conn.
2. Laminated Circuit
3. Instr. Cluster Lamp
These screws serve as a ground for the
NOTE:
circuit and must be reinstalled to provide the
proper ground connections for the laminated
circuit.
4. Remove fuel, temperature and ammeter terminal
nuts retaining laminated circuit to cluster cover.
5. Remove laminated circuit from rear of instrument
cluster.
6. To install, reverse removal procedure and check
operation of unit.
SPEEDOMETER REPLACEMENT
Servicing of the speedometer assembly
NOTE:
should be performed by an authorized AC speedo­
meter Service Station.
Conventional Cab Models
1. Remove instrument cluster assembly and laminated
circuit as previously described in this section.
2. Remove retaining screws and cluster rear cover.
3. Remove front cover from face of cluster.
4. Remove two retaining screws and speedometer from
cluster.
5. To install, reverse removal procedure and check
operation of unit. DO NOT KINK CABLE CASING.
Flatface Cowl Models
OIL PRESSURE
GAUGE PIPE
Fig. 12— Optional Cluster with Tachometer
4.
Brake Warning Ind.
5.
R.H. Directional
6. L„H0 Directional
7. "H igh " Beam Ind.
8. Generator (Ammeter)
9. Battery (Ammeter)
1. Disconnect battery ground cable.
2. Disconnect speedometer cable and all indicator and
illuminating sockets.
3. Remove three screws attaching speedometer housing
to dash panel.
4. Pull speedometer from opening in dash panel.
5. To install, reverse removal procedure and check
operation of unit. DO NOT KINK CABLE CASING.
P Models
1. Remove instrument cluster assembly as previously
described in this section.
2. Remove four screws securing cluster back panel to
bezel assembly.
3. Remove two screws securing speedometer head to
cluster back panel; carefully remove speedometer
head.
4. To install, reverse removal procedure and check
operation of unit. DO NOT KINK CABLE CASING.
SPEEDOMETER CABLE REPLACEMENT OR
LUBRICATION; ALL MODELS
1. Disconnect speedometer cable from the speedometer
head.
2. Remove old cable by pulling it out from speedometer
end of casing.
10. Ignition Terminal
11. Temperature Gauge
12. Fuel Gauge
10-30 CHEVROLET TRUCK SERVICE MANUAL