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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1827 (Wiring Systems And Power Management - Component Connector End Views - Mode Actuator Through Yaw Sensor) >> Component Connector End Views >> Trailer Brake Control Module (20 Series with JL1)
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Trailer Brake Control Module (20 Series with JL1)

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Fig 1: Trailer Brake Control Module (20 Series with JL1) Connector End View
GM1711002Courtesy of GENERAL MOTORS CORP.
Trailer Brake Control Module (20 Series with JL1)

Pin Wire Circuit Function
1 2 BK 2150 Ground
2 0.5 D-BU 7632 5-Volt Reference
3-5 - - Not Used
6 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
7 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
8 0.5 TN 7631 Low Reference
9 0.5 L-GN 944 Relay Feedback
10 - - Not Used
11 0.5 L-GN/BK 7633 Integrated Trailer Brake Controller User Gain Signal
12-13 - - Not Used
14 0.5 TN 945 Integrated Trailer Brake Relay Control Active Low
15 0.5 PK 239 Ignition Voltage
16 - - Not Used
17 0.5 L-BU 5986 Serial Data Communication Enable
18-20 - - Not Used
21 0.5 TN 2501 High Speed GMLAN Serial Data Bus-
22 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+
23-24 - - Not Used
25 0.5 BN 7634 Integrated Trailer Brake Controller Redundant Manual Apply Signal
26 - - Not Used
27 0.5 YE 7635 Integrated Trailer Brake Controller Manual Apply Signal
28 0.5 D-BU 47 Solid State Relay Feedback
29-31 - - Not Used
32 2 RD/WH 4340 Battery Positive Voltage
33 0.5 YE/BK 7521 Solid State Relay Enable
34-36 - - Not Used
37 0.5 L-BU/WH 6311 TCC Brake Signal
38-47 - - Not Used
Connector Part Information
  • Harness Type: Chassis
  • OEM Connector: 15491307
  • Service Connector: 89047377
  • Description: 47-Way F ASG Series (BK)
Terminal Part Information
  • Pins: 1, 32
  • Terminated Lead: 13327187
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-42 (RD)
  • Terminal/Tray: 15476168/5
  • Core/Insulation Crimp: F/3
  • Pins: 2, 6-9, 11, 14, 15, 17, 21, 22, 25, 27, 28, 33, 37
  • Terminated Lead: 13578814
  • Release Tool: Not Available
  • Diagnostic Test Probe: Pending
  • Terminal/Tray: Not Available
  • Core/Insulation Crimp: Not Available
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