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Transmission Control Module (TCM) X1 (AF33-5)

Fig 1: Transmission Control Module (TCM) X1 (AF33-5) Connector End View
GM1850885Courtesy of GENERAL MOTORS CORP.
Transmission Control Module (TCM) X1 (AF33-5)

Pin Wire Circuit Function
1 RD/WH 540 Battery Positive Voltage
2-4 - - Not Used
5 OG/BK 1786 Ignition Lock CylinderControl Actuator Signal
6 TN 2501 High Speed GMLAN Serial Data Bus-
7 TN/BK 2500 High Speed GMLAN Serial Data Bus+
8 TN/BK 2500 High Speed GMLAN Serial Data Bus+
9 BK/WH 451 Ground
10 - - Not Used
11 PK 1339 Ignition Voltage
12 BN 4 Accessory Voltage
13 - - Not Used
14 TN 2501 High Speed GMALN Serial Data Bus-
15-16 - - Not Used
Connector Part Information 
  • OEM: 7283-9133-30
  • Service:
  • Description: 16-Way F 0.64/1.5 Series Sealed (BK)
Terminal Part Information 
  • Terminal/Tray:
  • Pins:
  • Core/Insulation Crimp:
  • Pins:
  • Core/Insulation Crimp:
  • Release Tool/Test Probe:
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