Automatic Transmission (MYC/MYD)

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Automatic Transmission (MYC/MYD) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1-2	-	-	Not Used
3	0.35 OG/BK	1786	Ignition Lock Cylinder Control Actuator Signal
4	0.5 RD/WH	1840	Battery Positive Voltage
5	0.8 BK/WH	451	Ground
6	0.5 BU/WH	6311	Brake Switch Signal
7-8	-	-	Not Used
9	0.35 D-BU	5985	Accessory Wakeup Serial Data
10	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus +
11	0.5 TN	2501	High Speed GMLAN Serial Data Bus -
12	0.5 PK	2139	Ignition 1 Voltage
13	0.5 TN	2501	High Speed GMLAN Serial Data Bus -
14	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus +
15	-	-	Not Used
16	0.35 OG/BK	6399	Replicated TOS Signal

Connector Part Information

OEM: 15491328
Service: 19149759
Description: 16-Way F 1.5 Series Sealed (BK)

Terminal Part Information

Terminal/Tray: 2 21 24 47220 0/12
Core/Insulation Crimp: E/1
Release Tool/Test Probe: J-38125-28/J-35616-66 (YE)