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Headlamp Leveling Module (TR7)

Fig 1: Connector End View Headlamp Leveling Module (TR7)
GM39784Courtesy of GENERAL MOTORS COMPANY
Headlamp Leveling Module (TR7)

Pin Wire Circuit Function
1 0.35 GY/BK 5183 Right Headlamp Leveling Motor (4)
2 0.35 OG/WH 5182 Right Headlamp Leveling Motor (3)
3 0.35 PK/BK 5181 Right Headlamp Leveling Motor (2)
4 0.35 BN/WH 5180 Right Headlamp Leveling Motor (1)
5 0.35 L-GN/BK 5753 Low Reference
6 0.35 YE 5727 High Speed GMLAN Serial Data Wake Up
7 0.35 OG/BK 1208 Left Rear Strut Position Sensor Voltage Reference (without F55)
8 0.35 L-GN/WH 1210 Left Rear Strut Position Sensor Signal (without F55)
9 0.35 L-GN/BK 1209 Low Reference (without F55)
10 0.35 TN 2501 High Speed GMLAN Serial Data (-)
11 0.35 TN/BK 2500 High Speed GMLAN Serial Data (+)
12 0.35 RD/WH 340 Battery Positive Voltage
13 0.35 GY 5179 Left Headlamp Leveling Motor (4)
14 0.35 PU/WH 5178 Left Headlamp Leveling Motor (3)
15 0.35 OG/BK 5177 Left Headlamp Leveling Motor (2)
16 0.35 YE/BK 5176 Left Headlamp Leveling Motor (1)
17 0.35 L-BU/BK 5752 Low Reference
18 - - Not Used
19 0.35 PU/WH 1205 Left Front Strut Position Sensor Voltage Reference (without F55)
20 0.35 TN/WH 1207 Left Front Strut Position Sensor Signal (without K59)
21 0.35 L-BU/BK 1206 Low Reference (without K59)
22 0.35 TN 2501 High Speed GMLAN Serial Data (-)
23 0.35 TN/BK 2500 High Speed GMLAN Serial Data (+)
24 0.35 BK 250 Ground
Connector Part Information
  • Harness Type: Forward Lamp
  • OEM Connector: 12129225
  • Service Connector: 15306089
  • Description: 24-Way F Micro-Pack 100 Series, Sealed (GY)
Terminal Part Information
  • Terminated Lead: Pending
  • Release Tool: J-38125-33
  • Diagnostic Test Probe: J-35616-6 (BN)
  • Terminal/Tray: 12084913/5
  • Core/Insulation Crimp: W/W