Instrument Panel Cluster (IPC) (X88 or Z88)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Instrument Panel Cluster (IPC) (X88 or Z88) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.35 RD/WH	2840	Battery Positive Voltage
2	0.35 D-GN/WH	1358	Driver Information Center Switch Signal
3-4	-	-	Not Used
5	0.35 PK	1639	Ignition Voltage
6	0.35 D-GN	5060	Low Speed GMLAN Serial Data
7	-	-	Not Used
8	0.35 YE	6817	LED Backlight Dimming Control
9	0.35 D-BU	2307	Passenger Air Bag On Indicator Control
10	0.35 D-GN	2308	Passenger Air Bag Off Indicator Control
11	0.5 PU	333	Brake Fluid Level Sensor Signal
12	0.35 TN	185	Low Washer Fluid Indicator Control
13	0.5 BK/WH	1851	Ground
14-15	-	-	Not Used
16	0.35 PK	893	Driver Information Center Select Menu Switch Signal
17	-	-	Not Used
18	0.35 BN/WH	419	Malfunction Indicator Lamp (MIL) Control
19	0.35 BN	897	Low Reference
20	0.35 PU	5234	Passenger Seat Belt Indicator

Connector Part Information

Harness Type: Instrument Panel
OEM Connector: 13782499
Service Connector: 13578570
Description: 20-Way F 0.64 Series (BK)

Terminal Part Information

Terminated Lead: 13575550
Release Tool: J-38125-559
Diagnostic Test Probe: J-35616-16 (L-GN)
Terminal/Tray: 15445905/23
Core/Insulation Crimp: J/J