Vacuum Application Chart - EATC
WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
VACUUM APPLICATION CHART - EATC
| Port | Color | Function | Manual Override Buttons | ||||||
|---|---|---|---|---|---|---|---|---|---|
| OFF | PANEL | PNL/FLR | FLR | FLR/DEF | DEF | ||||
| 0 | Black | Vacuum Source | V | V | V | V | V | V | |
| 1 | White | Air Inlet | V | - | - | - | - | NV | |
| 2 | Yellow | Panel/Floor | V | NV | NV | V | NV | NV | |
| 3 | Blue | Panel/Floor | V | NV | V | V | V | NV | |
| 4 | Red | Panel/ Defrost | NV | V | V | NV | NV | NV | |
| 5 | Gray | Heater Control Valveb | NV | - | - | - | - | - | |
a The EATC system may be manually set to enable or disable the recirculation of cabin air by pressing the RECIRCULATION manual override button in all manual override modes except DEFROST.
b The automatic temper control solenoid and manifold will supply vacuum and close the heater control valve depending on the EATC module settings and ambient conditions in any setting except OFF.
V = Vacuum
NV= No Vacuum