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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1759 (Wiring Systems And Power Management - Component Connector End Views - F-H) >> Component Connector End Views - F Through H >> Fuel Pump/Trailer Brake Control Module (Gas with JL1 and except LU3, LY6 or LY6)
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Fuel Pump/Trailer Brake Control Module (Gas with JL1 and except LU3, LY6 or LY6)

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Fuel Pump/Trailer Brake Control Module (Gas with JL1 and except LU3, LY6 or LY6)
GM1858233Courtesy of GENERAL MOTORS CORP.
Fuel Pump/Trailer Brake Control Module (Gas with JL1 and except LU3, LY6 or LY6)

Pin Wire Circuit Function
1 3 BK 2150 Ground
2 0.5 D-BU 7632 5-Volt Reference
3-4 - - Not Available
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 Line Pressure Sensor Signal
11 0.5 L-GN/BK 7633 Integrated Trailer Brake Controller User Gain Signal
12 - - Not Available
13 0.5 D-GN/WH 465 Fuel Pump Relay Control - Primary
14 0.5 TN 945 Integrated Trailer Brake Relay Control Active Low
15 0.5 PK 239 Ignition 1 Voltage
16 2 PK 1580 Low Reference
17 0.5 L-BU 5986 Serial Data Communication Enable
18-20 - - Not Available
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 Available
25 0.5 BN 7634 Integrated Trailer Brake Controller Redundant Manual Apply Signal
26 - - Not Available
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 Available
32 3 RD/WH 1940 Battery Positive Voltage
33 0.5 YE/BK 7521 Solid State Relay Enable
34-35 - - Not Available
36 0.5 BN 7445 5-Volt Reference
37 0.5 L-BU/WH 6311 TCC Brake Signal
38-43 - - Not Available
44 0.5 GY 7443 Fuel System Control Module Shield Extension
45-46 - - Not Available
47 2 GY 120 Fuel Pump Supply Voltage
Connector Part Information 
  • Harness: Chassis
  • OEM: 15491306
  • Service: 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)