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K28 Headlamp Leveling Control Module (TR7)

GM1862109Courtesy of
Connector Part Information
  • Harness Type: Forward Lamp
  • OEM Connector: 13518748
  • Service Connector: 19178089
  • Description: 38-Way F 2.8 Series, Sealed (BK)
Terminal Part Information
  • Pins: 1, 25
  • Terminated Lead: 13578906
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: E/5
  • Pins: 2, 3, 4, 7, 8, 10, 11, 12, 14, 19, 20, 24, 28, 29, 30, 31, 32, 33, 34
  • Terminated Lead: 13578924
  • Release Tool: J-38125-215A
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: SAITS-A03T-M064/14
  • Core/Insulation Crimp: 9/9
  • Pins: 5, 35
  • Terminated Lead: 13578924
  • Release Tool: J-38125-215A
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: SAITS-A03T-M064/14
  • Core/Insulation Crimp: 9/9
K28 Headlamp Leveling Control Module (TR7)

Pin Wire Circuit Function
1 0.5 RD/WH 4340 Battery Positive Voltage
2 0.35 OG/BK 5177 Left Headlamp Leveling Motor 2
3 0.35 YE/BK 5176 Left Headlamp Leveling Motor 1
4 0.35 PU/WH 5178 Left Headlamp Leveling Motor 3
5 0.5 L-BU/BK 5752 Left Headlamp Leveling Motor Return
6 - - Not Used
7 0.35 TN 2501 High Speed GMLAN Serial Data -
8 0.35 TN/BK 2500 High Speed GMLAN Serial Data +
9 - - Not Used
10 0.35 BN/WH 5180 Right Headlamp Leveling Motor 1
11 0.35 OG/WH 5182 Right Headlamp Leveling Motor 3
12 0.35 GY/BK 5183 Right Headlamp Leveling Motor 4
13 - - Not Used
14 0.35 GY 5179 Left Headlamp Leveling Motor 4
15-18 - - Not Used
19 0.35 TN 2501 High Speed GMLAN Serial Data -
20 0.35 TN/BK 2500 High Speed GMLAN Serial Data +
21-23 - - Not Used
24 0.35 PK/BK 5181 Right Headlamp Leveling Motor 2
25 0.5 BK 1050 Ground
26-27 - - Not Used
28 0.35 PU/WH 1211 Right Front Strut Position Sensor Voltage Reference
29 0.35 L-BU/BK 1212 Low Reference
30 0.35 TN/WH 1213 Right Front Strut Position Sensor Signal
31 0.35 OG/BK 1208 Left Rear Strut Position Sensor Signal
32 0.35 L-GN/BK 1209 Low Reference
33 0.35 L-GN/WH 1210 Left Rear Strut Position Sensor Voltage Reference
34 0.35 L-BU 5986 Serial Data Communication Enable
35 0.5 L-GN/BK 5753 Right Headlamp Leveling Motor Return
36-38 - - Not Used
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