K27 Fuel Pump Control Module
 Courtesy of GENERAL MOTORS CORP.
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Connector Part Information
- Harness Type: Body
- OEM Connector: 31381-1000
- Service Connector: 19178089
- Description: 38-Way F 2.8 Series, Sealed (BK)
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Terminal Part Information
- Pins: 1, 25
- Terminated Lead: 13575405
- Release Tool: J-38125-553
- Diagnostic Test Probe: J-35616-4A (PU)
- Terminal/Tray: 15304719/19
- Core/Insulation Crimp: 2/5
- Pins: 5, 6, 8, 10, 17, 18, 20-24
- Terminated Lead: Pending
- 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: 13, 38
- Terminated Lead: 13575392
- Release Tool: J-38125-553
- Diagnostic Test Probe: J-35616-4A (PU)
- Terminal/Tray: 15304720/19
- Core/Insulation Crimp: 4/5
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K27 Fuel Pump Control Module
| Pin |
Size |
Color |
Circuit |
Function |
Option |
| 1 |
1 |
RD/L-GN |
1540 |
Battery Positive Voltage |
- |
| 2-4 |
- |
- |
- |
Not Used |
- |
| 5 |
0.5 |
L-BU |
2500 |
High Speed GMLAN Serial Data (+) (1) |
- |
| 6 |
0.5 |
L-BU |
2500 |
High Speed GMLAN Serial Data (+) (1) |
- |
| 7 |
- |
- |
- |
Not Used |
- |
| 8 |
0.5 |
WH/L-BU |
5986 |
Serial Data Communication Enable |
- |
| 9 |
- |
- |
- |
Not Used |
- |
| 10 |
0.35 |
L-BU/WH |
7446 |
Fuel Line Pressure Sensor Signal |
- |
| 11-12 |
- |
- |
- |
Not Used |
- |
| 13 |
2 |
GY |
120 |
Fuel Pump Supply Voltage |
- |
| 14-16 |
- |
- |
- |
Not Used |
- |
| 17 |
0.5 |
WH |
2501 |
High Speed GMLAN Serial Data (-) (1) |
- |
| 18 |
0.5 |
WH |
2501 |
High Speed GMLAN Serial Data (-) (1) |
- |
| 19 |
- |
- |
- |
Not Used |
- |
| 20 |
0.35 |
L-GN/GY |
465 |
Fuel Pump Primary Relay Control |
- |
| 21 |
0.5 |
VT/WH |
639 |
Run/Crank Ignition 1 Voltage |
- |
| 22 |
0.35 |
BN/RD |
7445 |
5 Volt Reference |
- |
| 23 |
0.35 |
BK/YE |
7447 |
Low Reference |
- |
| 24 |
0.5 |
L-BU |
7443 |
Fuel System Control Module Shield Extension |
- |
| 25 |
1 |
BK |
850 |
Ground |
- |
| 26-37 |
- |
- |
- |
Not Used |
- |
| 38 |
2 |
BK/L-GN |
1580 |
Low Reference |
- |