Chevrolet 10 Series 1970, Service Manual

Page: 572 / 671

ELECTRICAL—BODY AND CHASSIS 12 -1 0
5. T o rem ove the "th e ft re s is ta n t” connector, the
switch must be out fro m under the dash as outlined
in Step 4. Using a s c re w d r iv e r unsnap the locking
tangs on the connector fro m th eir position on the
switch. Unplug the connector.
6. Snap the connector into place on a new ignition
switch.
7. P la ce the switch into position fro m behind the dash
and in sta ll the m etal ignition switch nut.
8. In stall the lock cylin d er.
9. Install the b attery cable to the battery and lo w e r the
hood.
INSTRUMENT CLUSTER
REMOVAL A N D INSTALLATION
1 0 -3 0 C onventional Cab M odels (Fig. 9)
1. Disconnect b attery ground cable.
2. Rem ove choke con trol knob.
3. Rem ove windshield w ip er knob and b e z e l nut.
4. R em ove light switch rod and b ezel.
5. Disconnect sp eed om eter cable and chassis w irin g
harness connector at r e a r o f instrum ent panel.
6. P ro te c t m ast jack et with suitable coverin g.
7. Rem ove clu ster retaining s c re w s fro m fa ce o f a s ­
sem bly and rem ove clu ster assem bly fro m console.
8. To in stall, r e v e r s e rem o va l procedu re.
4 0 -6 0 C onventional Cab M odels (Fig. 9)
1. D isconnect b attery ground cable.
2. R em ove choke con trol knob and b e ze ls .
3. Rem ove windshield w ip er knob and b e ze l nut.
4. R em ove light switch rod and b ezel.
5. Disconnect speedom eter cable and chassis w irin g
harness connector at r e a r o f instrum ent panel.
6. Disconnect a ir p ressu re and o il p ressu re gauge feed
pipes.
NOTE: O il p ressu re line conn, may leak o il
o il when opened - wrap with cloth.
7. Loosen m ast jacket upper support clamp bolts and
lo w er m ast jacket to preven t in terferen ce with low er
edge of instrument clu ster.
C A UTIO N:
P ro te c t mast jacket with suitable
coverin g.
8. R em ove clu ster retaining screw s fro m face o f a s ­
sem bly and rem ove clu ster assem bly fro m console.
9. To in stall, r e v e r s e rem ova l procedu re.
Flatface C ow l M odels (Fig. 10)
1. Disconnect battery ground cable.
2. Disconnect e le c tr ic a l connectors and o il p ressu re
pipe.
NOTE: O il p ressu re line connector may leak
o il when opened; wrap with cloth.
3. Rem ove three screw s attaching clu ster housing to
dash panel.
4. P u ll clu ster fro m opening in dash panel.
5. To in stall, r e v e r s e rem o va l procedu re.
Tilt Cab M odels (Fig. 11)
1. Disconnect battery ground cable.
F ig . 9 — Instrum ent C lu s te r A ssem bly - C o n v e n tio n a l C ab
CHEVROLET TRUCK SERVICE MANUAL