Instrument Panel Module (IPM) X1

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 Module (IPM) X1 Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.35 YE	32	Instrument Panel Lamp Fuse Supply Voltage (1)
2	0.35 YE	1491	Backlight Lamp Control
3	0.35 YE	6817	LED Backlight Dimming Control
3	0.35 YE	6817	LED Backlight Dimming Control
4	-	-	Not Used
5	0.5 WH	17	Stop Lamp Switch Signal
6	0.35 PK	3	Run/Crank Ignition 1 Voltage
7	-	-	Not Used
8	0.35 YE/BK	5728	ECM/TCM Serial Data Wake Up
9	0.35 YE	5727	High Speed GMLAN Serial Data Wake Up
10	0.35 PK	5722	Ignition Mode Switch LED Supply Voltage
11	0.35 D-GN	5525	Tap Up/Tap Down Enable Signal
12	0.35 WH	111	Hazard Switch Signal
13	0.35 BN	1356	Flash To Pass Switch Signal
14	0.35 BN/WH	301	Park Lamp Switch On Signal
15	0.35 L-GN	5724	Ignition Mode Switch Mode Control
16	0.35 D-BU	5719	Ignition Mode Switch Start LED Signal
17	0.35 L-GN	5720	Ignition Mode Switch Accessory LED Signal
18	-	-	Not Used
19	0.35 L-GN	6857	Headlamp Automatic High Beam Dim Status (TQ5)
20	0.35 L-BU	1134	Park Brake Switch Signal
21	0.35 PK/BK	1597	Interior Lamp Switch On Signal
22	0.35 PU	1783	Twilight Sentinel Delay Signal
23	0.35 WH	103	Headlamp Switch On Signal
24	-	-	Not Used
25	0.35 PU	1375	Remote Radio Control Head Accessory Supply Voltage
26	0.35 OG	5721	Ignition Mode Switch Off LED Signal

Connector Part Information

OEM: 1318757-1
Service: 88988290
Description: 26-Way M 90 Series (WH)

Terminal Part Information

Pins: 1-2, 5-6
Terminal/Tray: 7116-4020/11
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-18 (BK)

Pin: 3
Terminal/Tray: 7116-4021/11
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: 15315247/J-35616-18 (BK)

Pins: 8-17, 19-23, 25-26
Terminal/Tray: 1123343-2/7
Core/Insulation Crimp: J/J
Release Tool/Test Probe: J-38125-24/J-35616-64B (L-BU)