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Sec. 7
Page 106
GM COACH MAINTENANCE MANUAL
WIRING AND MISC. ELEC.
Terminal No.
17
18
19
20
21
22
23
24
25
26
27
28
ENGINE COMPARTMENT PANEL (CONT'D.)
Circuit
From C
Term. on Speedometer Dash Plug
To C
Term.
on Speedometer Drive Unit
From B
Term.
on Speedometer Dash Plug
To D Term. on Speedometer Drive Unit
Feed From No.
60
Control Panel Jct.
To Emergency Stop Solenoid
From No. 50 Control Panel Jct.
To Engine Compartment Panel Circuit Breaker
Starter Relay to Starter Solenoid
Engine Compartment Lights
Feed From No. 59 Control Panel Jct.
To Starter Relay
From 1 Term. on Stop Light Relay
To No.
80 Control Panel Jct.
Open
Stop Light Relay 3 Term. to Stop Light Switch
Stop Light Relay 4 Term. to Left Side Stop Lights
Stop Light Relay 5 Term. to Right Side Stop Lights
Wire Size & Color
No. 16 Green - 2 Red// Tr.
No. 16 Black
No. 16 Nat. - Blk. & Red / / Tr.
No. 16 Black
No. 14 Nat. - Gr. & Red Cr. Tr.
No. 14 Black
No. 16 Brown - Nat. Cr. Tr.
No. 16 Black
No. 10 Black
No. 16 Black
No. 16 Red - Gr. Tr.
No. 16 Black
No. 16 Black
No. 16 Red - Blk. Tr.
No. 14 Black
No. 16 Black
No. 16 Black
ALARM SYSTEM RECTIFIER PANEL
Alarm buzzer and rectifier panel (fig. 5) is
mounted on driver's compartment front trim panel
forward of the switch panel.
Passenger chime
signal, reading light relay, and general lighting
relay are also mounted on drivers front trim pan-
el.
Rectifier junction panel has six terminals
numbered 1 through 6. The following tabulation
lists each terminal, the circuit
it
carries, and the
size, color, and pattern of the connected wires.
Refer to Symbol
6
on Alarm
Figure 5-Alarm Buzzer, Rectifier, Passenger Chime Signal,
and Lighting Relays Installed
and
Signal Wiring
Diagram in
back of manual.
Terminal No,
1
2
3
4
5
6
Circuit
Engine Overheat Tell-tale
&
Alarm
Low Oil Pressure Tell-tale
&
Alarm
Alarm Buzzer
Open
Low Air Tell-tale & Alarm
Emerg. Door Tell-tale & Alarm
Wire Size
&
Color
No.
16 Yellow
No.
16 Nat. -
Black
&
Gr. Cr. Tr.
No.
16 Nat.
-
2 Gr.
/ / Tr.
No.
16 Red -
Nat.
Tr.
No.
16 Blue -
Black Tr.
BATTERY JUNCTIONS
Battery junctions are located at three easily
accessible points on the vehicle.
Battery cables,
carrying current to various parts of the vehicle
for operation of switches, lights, and other units,
are connected to these junctions. Location of bat-
tery cable junctions are as follows:
1.
Engine Compartment Battery Junction, lo-
cated above engine compartment control panel at
master fuse - accessible through access door in
right rear corner of vehicle
2. Control Panel Battery Junction, located at
forward end of circuit breaker panel at left of
driver - accessible after removing circuit breaker
and control junction panel cover.
3. Heating and Air Conditioning Battery Junc-
tion, located on rear side of front spring rear
bulkhead - accessible after opening forward bag-
gage compartment door on left-hand side.
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