Pontiac Fiero 1988 Service Manual page 40

HEATING AND VENTILATION 1A-15
["VIEW A
L X I
1— BLUE ( D E F R O S T )
2— GREEN ( V E N T )
3— HEATER TEMP. CONTROL
4— RETAINER
5— VENT C O N T R O L C A B L E A S M .
6— HEATER V E N T M O D U L E
7— DEFROST C O N T R O L A S M .
8 — H E A T E R C O N T R O L A S M .
9—RED (TEMP.)
520105-1A
Figure 16 Heater Control Cable Routing
1 - HEATER MODULE
2 - HEATER RELAY CONNECTION
3 - RESISTOR HEATER BLOWER CONNECTION
4 - RESISTOR HEATER BLOWER
5 - HEATER MOTOR COOLING TUBE
6 - HEATER BLOWER SWITCH CONNECTION
7 - HEATER GROUND CONNECTION
520088-1A
Figure 17 Heater Module Wiring
6. Heater case cover.
7. Heater core retainer.
8. Heater core.
I"**! Install or Connect
1. Heater core.
2. Heater core retainer.
3. Heater case cover.
4. Heater core grommets.
5. Wires at:
a. Heater, relay connection
b. Resistor, heater blower
c. Heater, blower switch connection
d. Heater, ground connection
e. Forward courtesy lamp socket (if
equipped)
6. Heater, core inlet and outlet hoses.
7. Refill cooling system as required.
• Follow procedures outlined in Section 6B.
8. Windshield washer fluid container.
9. Negative battery cable.
HEATER C O N T R O L WIRING
The heater control wiring has been incorporated
into the main wiring harness, when repair is required
refer to Section 8C of the Service Manual.