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Powertrain Control Module (PCM) Connector end view (C421)

Fig 1: Powertrain Control Module (PCM) Connector End View (C421)
G10354974Courtesy of FORD MOTOR CO.
Pin Circuit Circuit function
1 ... not used
2 91S-RD7 (BK/OG) Ground, Switched
3 ... not used
4 ... not used
5 ... not used
6 91S-TA23 (BK/YE) Ground, Switched
7 ... not used
8 91S-RJ16 (BK/BU) Ground, Switched
9 8-GA7 (WH/RD) Sensor signal
10 ... not used
11 91S-TA24 (BK/BU) Ground, Switched
12 8-GA7 (WH/RD) Sensor signal
8-GG18 (WH/BK) Sensor signal
13 8-RA1 (WH/BU) Sensor signal
14 ... not used
15 5-RE8 (BU) Data link, bus negative
16 4-RE8 (GY) Data link, bus positive
17 91S-PA17 (BK/WH) Ground, Switched
18 ... not used
19 10-GL37 (GY/OG) Signal 2 (Y... direction, reverse, downward)
20 91S-RL12 (BK/BU) Ground, Switched
21 8-RJ4 (WH/RD) Sensor signal
22 9-RJ4 (BN/RD) Sensor signal return (reference/ground)
23 - not used
24 91-RE8A (BK/YE) Ground
25 91-RE21 (BK/RD) Ground
26 9-RR1 (BN/BU) Sensor signal return (reference/ground)
27 31S-BB12 (BK/YE) Ground, Switched
28 8-RE2 (WH/VT) Sensor signal
29 15S-TA21 (GN/BK) Voltage, ignition switch in Start or Run (not overload protected), Switched
30 - not used
31 8-CE6 (WH) Sensor signal
32 9-RJ18 (BN/YE) Sensor signal return (reference/ground)
33 9-RJ29 (BN/BU) Sensor signal return (reference/ground)
34 33-XL7 (YE/GN) Switched between: Battery voltage, Ground or Open
35 8-RJ25 (WH/BU) Sensor signal
36 9-RJ22 (BN/BU) Sensor signal return (reference/ground)
37 8-TA26 (WH/RD) Sensor signal
38 8-RJ6 (WH/GN) Sensor signal
39 8-RJ17 (WH/VT) Sensor signal
40 15S-RE16 (GN/BK) Voltage, ignition switch in Start or Run (not overload protected), Switched
41 15S-RE9 (GN/BU) Voltage, ignition switch in Start or Run (not overload protected), Switched
42 31S-GL36 (BK/BU) Ground, Switched
91S-RL20 (BK/RD) Ground, Switched
43 8-GH6 (WH) Sensor signal
44 31S-GL36 (BK/BU) Ground, Switched
45 91S-RL27 (BK/RD) Ground, Switched
46 - not used
47 91S-PA25 (BK/GN) Ground, Switched
48 8-GB10 (WH/BK) Sensor signal
49 - not used
50 - not used
51 91-RE8C (BK/YE) Ground
52 9-RR2 (BN/GN) Sensor signal return (reference/ground)
53 8-GL37 (WH/GN) Sensor signal
54 91S-RH5 (BK/BU) Ground, Switched
55 29-RE8 (OG/YE) Voltage supplied at all times (overload protected)
56 91S-RL25 (BK/BU) Ground, Switched
57 8-RJ18 (WH/BK) Sensor signal
58 8-RJ29 (WH/BU) Sensor signal
59 8-RH29A (WH/BU) Sensor signal
8-BA9 (WH/GN) Sensor signal
60 8-RJ14 (WH) Sensor signal
61 8-RJ26 (WH/GN) Sensor signal
62 8-RJ13 (WH/VT) Sensor signal
63 8-RJ11 (WH/GN) Sensor signal
64 8-BB6 (WH) Sensor signal
8-TA9 (WH/GN) Sensor signal