GMC 1976 ZEO 6083 Maintenance Manual page 621

12- 16 CHASSIS ELECTRICAL
TELL-TALE PANEL
IGNITION BUS BAR
Figure 21-Low-Fuel Indicator Switch Circuit
dome light panel is a three position switch with the
following functions :
1 . Lamp operation (for that particular side) con-
trolled by the headlight switch.
2. Lamp off, regardless of headlight switch posi-
tion .
3. Lamp on, regardless of headlight switch posi-
tion .
Switch Replacement
1 . Disconnect the battery ground cables .
2. Remove the (4) dome light panel retaining
screws .
3 . Remove the (2) switch retaining screws .
4. Disconnect the dome lamp switch harness con-
nector.
ion.
5 . Remove the dome light switch .
6. To install, reverse steps 1-5 and check operat-
WINDSHIELD WASHER SWITCH
The windshield washer switch is a spring loaded
switch which returns to the off position when the
toggle is released . This switch supplies power to the
windshield washer pump for pumping of washer sol-
vent onto the windshield .
Switch Replacement
1. With a flat blade screwdriver engage the
switch ring with the screwdriver blade while holding
the back side of the switch (See figure 2) .
2. Remove the retaining ring from the switch and
bring the switch down to a more accesible position .
3. Disconnect the wiring harness connector from
the switch .
4. Remove the switch from the panel.
5. To install, reverse steps 1-4, and check oper-
ation.
IGNITION SWITCH
The ignition switch is mounted on the right-side
of the steering column . In addition to the steering
column and shift lever lock feature, when the en
trance door is open a buzzer located behind the left-
hand engine access door would remind the driver to
remove the key from the ignition switch . Replace-
ment procedures for the ignition switch are covered
in STEERING (SECTION 9) of this manual .
LOW AIR WARNING LIGHT AND
BUZZER
The power level option consists of two, in-line
Figure 22-"Coolant Level" Indicator, Module
Location