SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2698 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - 3 OF 5)INSTRUMENT PANEL MODULE (IPM) X2
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Instrument Panel Module (IPM) X2

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Instrument Panel Module (IPM) X2
WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Instrument Panel Module (IPM) - X2 Connector End View
GM1420769Courtesy of GENERAL MOTORS CORP.
Instrument Panel Module (IPM) X2

Pin Wire Circuit Function
1 0.35 BN 4 Accessory Voltage
2 0.35 YE 6847 Shift Select Switch Park Supply Voltage
3 0.35 D-GN/WH 1317 Fog Lamp Relay Control
4 0.35 TN/WH 1969 Headlamp High Beam Relay Control
5 0.35 WH 1080 Park Lamp Relay Control
6 0.35 PK/WH 1970 Headlamp Low Beam Relay Control
7 0.35 OG 300 Run Ignition 3 Voltage
8 - - Not Used
9 0.35 TN 28 Horn Relay Control
10 0.35 TN 28 Horn Relay Control
11 0.35 GY 478 Windshield Wiper Switch Signal (2)
12 0.35 BN 253 Trunk Release Relay Control
13 0.35 GY 2096 Steering Column Tilt and Telescope Up Switch Signal
14 0.35 YE 2097 Steering Column Tilt and Telescope Down Switch Signal
15 0.35 D-BU 6856 Headlamp Automatic High Beam Dim Enable (TQ5)
16 0.35 WH 5741 Steering Column Lock Module Lock Enable Relay Control (UA2)
17-18 - - Not Used
19 0.35 D-GN/WH 1932 Shift Select Switch Park Signal
20 0.35 WH 1538 Headlamp On With Wipers Signal
21 0.35 PK 2094 Steering Column Tilt and Telescope Forward Switch Signal
22 0.35 OG 2095 Steering Column Tilt and Telescope Rearward Switch Signal
23 0.35 D-GN 1399 RAP Relay Coil Supply Voltage (LH2)
24 0.35 WH 2282 Headlamp Washer Relay Control (TT6/TT7/TT8)
Connector Part Information 
  • OEM: 1318756-1
  • Service: 88988289
  • Description: 24-Way M TYCO (NA)
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)
  • Pins: 3-4, 7, 9-16, 19-24
  • Terminal/Tray: 1123343-2/7
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: J-38125-24/J-35616-64B (L-BU)
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.