Section 03-03: Engine Cooling
1994 Mustang Workshop Manual
DIAGNOSIS AND TESTING

Electrical Schematic



Engine Cooling System






Connector End View






Pin Number Circuit Circuit Function
1 229 (R/O) Radiator Electric Motor (LOW) Output
2 229 (R/O) Radiator Electric Motor (LOW) Output
3 38 (BK/O) BATT (+) (Cooling Fan Control Relay's)
4 38 (BK/O) BATT (+) (Cooling Fan Control Relay's)
5 238 (DG/Y) Power to Fuel Pump
6 638 (O/LB) Radiator Electric Motor (HIGH) Output
7 638 (O/LB) Radiator Electric Motor (HIGH) Output
8 37 (Y) BATT (+) (To PCM Power Relay)
9 Not Used
10 37 (Y) BATT (+) (To PCM Power Relay)
11 37 (Y) BATT (+) (To Fuel Pump Relay)
12 361 (R) PCM Power
13 16 (R/LG) Start or Run Power
14 228 (DB) Low Fan Control Input
15 570 (BK/W) Ground
16 57 (BK) A/C Clutch Coil Ground
17 639 (LG/P) High Speed Fan Output
18 926 (LB/O) Fuel Pump Relay Input
19 Not Used
20 Not Used
21 198 (DG/O) A/C High Pressure Cutout/Fan Switch
22 331 (PK/Y) A/C WOT Cutout Relay Input
23 347 (BK/Y) A/C Clutch Coil Control
24 361 (R) PCM Power