Ford 2003 Mustang Workshop Manual page 3053

16 18476
17 18A559
18 —
19 18A318
20 —
Function Selector Switch Vacuum Connector
Port No. Hose Color
1 White
2 Red
3 Blue
4 Yellow
5 Black
6 —
Function Selector Switch Vacuum Application Chart
Switch Port Color
1 White
2 Red
3 Blue
4 Yellow
5 Black Vacuum source
V=Vacuum
NV=No Vacuum
Inspection and Verification
1. Verify the customer's concern by operating the climate control system to duplicate the condition.
Heater core
Panel/floor door (full vacuum position)
Floor airflow
Vacuum control motor—floor/panel door
Panel vent airflow
Function
Air inlet door
Panel/floor door
Panel/floor door
Panel/defrost door
Vacuum source
Not used
Function MAX A/C A/C Vent OFF Floor FLR/ DEF Defrost
Recirc/Fresh V
Floor NV
Panel/floor NV
Panel/defrost V
V
Function Selector Switch Position
NV NV V NV
NV NV V V
NV NV V V
V V NV NV
V V V V
NV NV
NV NV
V NV
NV NV
V V