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K27 Fuel Pump Control Module

GM1862109Courtesy of
Connector Part Information
  • Harness Type: Body
  • OEM Connector: 13518748
  • Service Connector: 19178089
  • Description: 38-Way F 2.8 Series, Sealed (BK)
Terminal Part Information
  • Pins: 1, 13, 25, 38
  • Terminated Lead: 13575409
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15392777/23
  • Core/Insulation Crimp: D/5
  • Pins: 5-6, 8, 17-18, 20
  • Terminated Lead: 13575379
  • Release Tool: J-38125-215A
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: SAITS-A03T-M064/14
  • Core/Insulation Crimp: 9/9
  • Pins: 5, 10, 17, 22-23
  • Terminated Lead: 13575378
  • Release Tool: J-38125-215A
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: SAITS-A03T-M064/14
  • Core/Insulation Crimp: 9/9
  • Pins: 1, 13, 25, 38
  • Terminated Lead: 13575409
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15392777/23
  • Core/Insulation Crimp: D/5
K27 Fuel Pump Control Module

Pin Wire Circuit Function
1 2 RD/WH 2640 Battery Positive Voltage
2-4 - - Not Used
5 0.35 TN/BK 2500 High Speed GMLAN Serial Data Bus+ (F45)
0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus+ (without F45)
6 0.35 TN/BK 2500 High Speed GMLAN Serial Data Bus+
7 - - Not Used
8 0.35 L-BU 5986 Serial Data Communication Enable
9 - - Not Used
10 0.5 PU 7446 Fuel Pressure Sensor Signal
11-12 - - Not Used
13 2 GY 120 Fuel Pump Supply Voltage
14-16 - - Not Used
17 0.35 TN 2501 High Speed GMLAN Serial Data Bus - (F45)
0.5 TN 2501 High Speed GMLAN Serial Data Bus - (without F45)
18 0.35 TN 2501 High Speed GMLAN Serial Data Bus -
19 - - Not Used
20 0.35 D-GN/WH 465 Fuel Pump Relay Control
21 0.5 PK 1739 Ignition 1 Voltage
22 0.5 BN 7445 5-Volt Reference
23 0.5 GY 7447 Low Reference
24 - - Not Used
25 2 BK 2150 Ground
26-37 - - Not Used
38 2 PK 1580 Fuel Pump Motor Low Reference
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