Instrument Panel Cluster (IPC)

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Instrument Panel Cluster (IPC) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.35 RD/WH	1440	Battery Positive Voltage
2	0.35 PK	239	Run/Crank Ignition 1 Voltage
3	0.35 D-GN	5060	Low Speed GMLAN Serial Data
4	-	-	Not Used
5	0.35 BK/WH	351	Ground
6-7	-	-	Not Used
8	0.35 PU	333	Brake Fluid Level Sensor Signal
9	0.35 BN/WH	419	Check Engine Indicator Control
10-11	-	-	Not Used
12	0.35 D-GN/WH	1358	Driver Information Center Switch Signal
13	0.35 BN	897	Driver Information Center Switch Low Reference
14-19	-	-	Not Used
20	0.35 D-BU	894	Driver Information Center Toggle Switch Signal
21	0.5 PU	5234	Passenger Seat Belt Indicator Control
22-26	-	-	Not Used

Connector Part Information

OEM: 1326042-1
Service: 88987996
Description: 26-Way F 90 Series AMP (BK)

Terminal Part Information

Pins: 1-3, 5, 8-9, 12-13, 20-21
Terminal/Tray: 638551-1/16
Core/Insulation Crimp: Pins 1, 3, 5, 8-9, 12-13, 20 - J/J
Core/Insulation Crimp: Pins 2, 21 - K/K
Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)