Generator Battery Control Module

WARNING: This page is about a different car, the 2010 GMC Canyon and 2010 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Generator Battery Control Module

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
A	0.5 OG	2040	Battery Positive Voltage
B	0.5 GY	23	Generator Field Duty Cycle Signal
C	1 OG	2040	Battery Positive Voltage
D	0.5 RD	225	Generator Turn On Signal
E	-	-	Not Used
F	0.5 BK/WH	451	Ground
G	-	-	Not Used
H	1 BK/WH	451	Ground
J	0.35 PU	5428	Generator Regulator Control
K	0.35 PU	1807	Class 2 Serial Data

Connector Part Information

Harness: Engine
OEM: 15326842
Service: 15326843
Description: 10-Way F GT 150 Series Sealed (BK)

Terminal Part Information

Pins: A, B, D, F, J, K
Terminal/Tray: 12191819/8
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 647/J-35616-4A (PU)

Pins: C, H
Terminal/Tray: 12191819/8
Core/Insulation Crimp: 2/1
Release Tool/Test Probe: 647/J-35616-4A (PU)