Copyright © 1998 General Motors Corp. D–11
WTEC II ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL
APPENDIX D — WIRE/CONNECTOR CHART
Figure D–7. Transmission Connector (Prior to Model Year ’95)
* Used with MD 3070 Models Only.
TRANSMISSION CONNECTOR
Terminal No. Color Wire No. Description Termination Point(s)
A1 White 120 A (C1) Solenoid Hi ECU, A20
A2 Orange 102 Solenoid Ground 1 (A, D) ECU, A2
A3 Reserved
B1 Orange 128 B (C2) Solenoid Hi ECU, A28
B2 Violet 121 Solenoid Ground 2 (B, E) ECU, A21
B3 Blue Lo Oil Level ECU, B31
C1 Green 103 C (C3) Solenoid Hi ECU, A3
C2 Yellow 130 Solenoid Ground 3 (C, G) ECU, A30
C3 White 162 C3 Pressure Switch Power ECU, B28
D1 Blue 131 D (C4) Solenoid Hi ECU, A31
D2 White 110 F (Lockup) Solenoid Lo ECU, A10
D3 Green 107 F (Lockup) Solenoid Hi ECU, A7
E1 Violet 129 E (C5) Solenoid ECU, A29
E2 Reserved
E3 Reserved
F1 White 104 G (Forward) Solenoid Hi ECU, A4
F2 Yellow 161 Signal Ground ECU, B27; VIW (Amp), 13
F3 Violet 147 Sump Temp Signal ECU, B13
G1 Reserved
G2 Green 135 Analog Ground ECU, B1; TPS A; RMR A
G3 White 106 Oil Level Power ECU, A6
H1 Green 111 J (C6) Solenoid* ECU, A11
H2 Blue 101 N (Signal) Solenoid Lo* ECU, A1
H3 Yellow 116 N (Signal) Solenoid Hi* ECU, A16
V00641
A3A1
H3
H1
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