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Home >> Ford >> 2002 >> Thunderbird >> Repair and Diagnosis >> Quick Lookups >> Wiring Diagrams >> OEM Connector End Views >> Powertrain Control Module (PCM) connector end view (C175a)
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Powertrain Control Module (PCM) connector end view (C175a)

Fig 1: Identifying Powertrain Control Module (PCM) Connector (C175A)
G10359154Courtesy of FORD MOTOR CO.
Pin Circuit Circuit function
1 ... not used
2 ... not used
3 4-RE8 (GY) Data link, bus positive
4 5-RE8 (BU) Data link, bus negative
5 ... not used
6 91S-RL3 (BK/OG) Ground, Switched
7 ... not used
8 ... not used
9 91S-FA79 (BK/OG) Ground, Switched
10 ... not used
11 ... not used
12 91S-RL25 (BK/BU) Ground, Switched
13 7-RE14 (YE/GN) Voltage D.C. supplied at all times (sensor)
14 ... not used
15 ... not used
16 ... not used
17 9-RE8 (BN) Sensor signal return (reference/ground)
18 ... not used
19 ... not used
20 7-RE8 (YE) Voltage D.C. supplied at all times (sensor)
21 ... not used
22 ... not used
23 ... not used
24 31-RE8 (BK) Ground
25 31-RE21 (BK) Ground
26 31-RE26 (BK) Ground
27 31-RE25 (BK) Ground
28 29S-RE21 (OG/GN) Brake pressure switch (2B264)
29 10-PG12 (GY/WH) signal return Normal
30 - not used
31 8-RJ22 (WH/BU) Mass Air Flow (MAF) sensor (12B579), signal, return
32 15S-RE8 (GN/YE) Voltage, ignition switch in Start or Run (not overload protected), Switched
33 15S-RE21 (GN/OG) Voltage, ignition switch in Start or Run (not overload protected), Switched
34 - not used
35 - not used
36 8-PG21 (WH/GN) Normal
37 8-CE6 (WH) Power steering pressure switch
38 9-RJ22 (BN/BU) Mass Air Flow (MAF) sensor (12B579)
39 - not used
40 29S-RE13 (OG/GN) Voltage supplied at all times (overload protected), Switched
41 8-TA21 (WH/GN) Sensor signal
42 8-FA88 (WH/VT) Sensor signal
43 91-RE27 (BK/RD) Ground
44 29-RE8 (OG/YE) Voltage supplied at all times (overload protected)
45 8-PG12 (WH/VT) Sensor signal
46 10-PG21 (GY/OG) Signal 2 (Y-direction, reverse, downward)
47 - not used
48 - not used
49 8-TA67 (WH/VT) Sensor signal
50 8-TA68 (WH/BK) Sensor signal
51 8-RJ40 (WH/GN) Sensor signal
52 8-RJ13 (WH/VT) Sensor signal
53 - not used
54 - not used
55 - not used
56 31S-PG24 (BK/OG) Ground, Switched
57 7-PG24 (YE/BU) Voltage D.C. supplied at all times (sensor)
58 8-RE32 (WH/VT) Sensor signal