LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2012 >> SRX AWD >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - E37D Through X4 >> Component Connector End Views >> K68 Trailer Lighting Control Module X1 (U4G)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

K68 Trailer Lighting Control Module X1 (U4G)

GM2039666Courtesy of
Connector Part Information
  • Harness Type: Body
  • OEM Connector: 10819936
  • Service Connector: 13576561
  • Description: 18-Way F 0.64 Micro Quadlok Series (BK)
Terminal Part Information
  • Pin: 1
  • Terminated Lead: 13575782
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 928999-5/15
  • Core/Insulation Crimp: H/H
  • Pins: 2, 4, 7-8, 10, 12-14, 16-17
  • Terminated Lead: 13575587
  • Release Tool: J-38125-12A
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 928999-5/15
  • Core/Insulation Crimp: K/K
K68 Trailer Lighting Control Module X1 (U4G)

Pin Wire Circuit Function
1 0.35 D-GN 5060 Low Speed GMLAN Serial Data
2 0.8 YE 5187 Right Trailer Turn Signal Lamp Control
3 - - Not Used
4 0.8 BN 5184 Left Trailer Park Lamp
5-6 - - Not Used
7 0.8 PK/BK 5189 Trailer Backup Lamp Signal
8 0.8 WH 5190 Trailer Rear Fog Lamp Signal
9 - - Not Used
10 0.8 PU/WH 5188 Trailer Stop Lamp Signal
11 - - Not Used
12 0.8 D-BU 5992 Trailer Connector Status
13 0.8 PK 1239 Ignition 1 Voltage
14 0.5 WH 5065 Center High Mounted Stop Lamp (CHMSL) Control
15 - - Not Used
16 0.8 GY 5185 Trailer Right Hand Park Signal
17 0.8 OG 5186 Left Trailer Turn Signal Lamp Control
18 - - Not Used