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)

Courtesy of GENERAL MOTORS CORP.

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)