Fuel Pump Flow Control Module (except LY6)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Fuel Pump Flow Control Module (except LY6) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire Color	Circuit	Function
1	3 BK	2150	Ground
2-4	-	-	Not Available
5	0.5 GY	7447	Low Reference
6	0.5 TN	2501	High Speed GMLAN Serial Data -
7	0.5 TN/BK	2500	High Speed GMLAN Serial Data +
8-9	-	-	Not Available
10	0.5 PU	7446	Fuel Line Pressure Sensor Signal
11-12	-	-	Not Available
13	0.5 D-GN/WH	465	Fuel Pump Primary Relay Control
14	-	-	Not Available
15	0.5 PK	439	Run/Crank Ignition Voltage
16	3 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 -
22	0.5 TN/BK	2500	High Speed GMLAN Serial Data +
23-31	-	-	Not Available
32	3 RD/WH	1940	Battery Positive Voltage
33-35	-	-	Not Available
36	0.5 BN	7445	Reference Voltage
37-43	-	-	Not Available
44	0.5 GY	7443	Fuel Pump Flow Control Module Shield Extension
45-46	-	-	Not Available
47	3 GY	120	Fuel Pump Control

Connector Part Information

OEM: 13570967
Service: See Catalog
Description: 15-Way F 0.64 6.3 Sealed (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: 5-7,10,13,15,17,21,22,36,44
Terminal/Tray: 7116-3703-02/14
Core/Insulation Crimp: 9/9
Release Tool/Test Probe: J-38125-215A/'J-35616-64B (L-BU)