Automatic Transmission (LY7)

WARNING: This page is about a different car, the 2008 Suzuki XL7, 2008 Pontiac Torrent, and 2008 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Automatic Transmission (LY7) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.8 BK/WH	451	Ground
2	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus+
3-4	-	-	Not Used
5	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus+
6-11	-	-	Not Used
12	0.5 TN	2501	High Speed GMLAN Serial Data Bus-
13	0.5 PK	1339	Ignition Voltage
14	0.5 TN	2501	High Speed GMLAN Serial Data Bus-
15	0.5 BN	4	Ignition Voltage
16	0.5 WH	17	Stop Lamp Switch Signal
17	-	-	Not Used
18	0.8 BK/WH	451	Ground
19	0.5 RD/WH	540	Battery Positive Voltage
20	0.5 OG/BK	1786	Park/Neutral Signal

Connector Part Information

OEM: 15476346
Service: 19151494
Description: 20-Way F GT 150 Sealed (L-GY)

Terminal Part Information

Terminal/Tray: 15326267/19
Pins: 1-2, 5, 12-16
Core/Insulation Crimp: E/4
Pins: 18-19
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 15315247/J-35616-2A (GY)