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Home >> Cadillac >> 2010 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> Electrical >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - F Through H >> Component Connector End Views - F Through H >> Fuel Pump/Trailer Brake Control Module (JL1)
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Fuel Pump/Trailer Brake Control Module (JL1)

Fig 1: Fuel Pump/Trailer Brake Control Module (JL1)
GM1858233Courtesy of GENERAL MOTORS CORP.
Fuel Pump/Trailer Brake Control Module (JL1)

Pin Wire Circuit Function
1 3 BK 2250 Ground
2 0.5 D-BU 7632 5-Volt Reference
3-4 - - Not Used
5 0.5 GY 7447 Low Reference
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 0.5 PU 7446 Fuel Pressure Sensor Signal
11 0.5 L-GN/BK 7633 Integrated Trailer Brake Controller User Gain Signal
12 - - Not Used
13 0.5 D-GN/WH 465 Fuel Control Enable Signal
14 0.5 TN 945 Integrated Trailer Brake Relay Control Active Low
15 0.5 PK 239 Ignition Voltage
16 3 PK 1580 Fuel Pump Control
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 - - Integrated Trailer Brake Controller Manual Apply Signal
27 0.5 YE 7635 Not Used
28 0.5 D-BU 47 Solid State Relay Feedback
29-31 - - Not Used
32 2 RD/WH 1940 Battery Positive Voltage
33 0.5 YE/BK 7521 Solid State Relay Enable
34-35 - - Not Used
36 0.5 BN 7445 5-Volt Reference
37 0.5 L-BU/WH 6311 TCC Brake Signal
38-43 - - Not Used
44 0.5 GY 7443 Drain Wire
45-46 - - Not Used
47 3 GY 120 Fuel Pump Control
Connector Part Information 
  • Harness Type: Chassis
  • OEM Connector: 15491306
  • Service Connector: 19168025
  • Description: 47-Way F ASG Series (BK)
Terminal Part Information 
  • Pins: 1, 16, 32, 47
  • Terminal/Tray: 15476168/5
  • Core/Insulation Crimp: F/3
  • Release Tool/Test Probe: 15315247/J-35616-42 (RD)
  • Pins: 2, 5-11, 14-15, 17, 21-22, 25, 27-28, 33, 36-37
  • Terminal/Tray: SAITS-A03T-M064/14
  • Core/Insulation Crimp: 9/9
  • Release Tool/Test Probe: J-38125-215A/J-35616-64B (L-BU)
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