K27 Fuel Pump Control Module

WARNING: This page is about a different car, the 2012 GMC Terrain and 2012 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

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Connector Part Information

Harness Type: Body
OEM Connector: 88988965
Service Connector: 13574909
Description: 38-Way F USCAR 2.8 Series, Sealed (BK)

Terminal Part Information

Pins: 5, 6, 8, 10, 17, 18, 20-24
Terminated Lead: 13578924
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, 25
Terminated Lead: 13576356
Release Tool: J-38125-553
Diagnostic Test Probe: J-35616-4A (PU)
Terminal/Tray: 15304719/19
Core/Insulation Crimp: 2/5

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

K27 Fuel Pump Control Module

Pin	Wire	Circuit	Function
1	1 RD/WH	2640	Battery Positive Voltage
2-4	-	-	Not Used
5	0.35 TN/BK	2500	High Speed GMLAN Serial Data Bus +
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	0.35 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 -
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 Voltage
22	0.35 BN	7445	5-Volt Reference
23	0.35 GY	7447	Low Reference
24	0.35 BARE	7444	Drain Wire
25	1 BK	2550	Ground
26-37	-	-	Not Used
38	2 PK	1580	Fuel Pump Motor Low Reference