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A11 Radio X1 Connector End View

WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: A11 Radio X1 Connector End View
GM1974986Courtesy of GENERAL MOTORS CORP.
A11 Radio X1

Pin Color Circuit Function
1 - - Not Used
2 0.35 YE 7459 Integrated Center Stack Serial Data Low
3 0.35 BARE 7460 Integrated Center Stack Serial Data Shield
4-5 - - Not Used
6 0.5 BK/YE 659 Low Reference
7-9 - - Not Used
10 0.35 GY/WH 3378 Right Auxiliary Audio Signal (3) (KTA)
0.35 L-GN/WH 5841 Right Auxiliary Audio Signal (2) (without KTA)
11 0.35 D-BU 2060 Auxiliary Detection Signal (without KTA)
12 - - Not Used
13 0.35 GY/L-GN 3291 Integrated Center Stack Wake Up Signal
14-15 - - Not Used
16 0.35 L-GN/VT 7458 Center Integrated Center Stack Serial Data High
17 0.35 BARE 5842 Auxiliary Audio Screen (2) (without KTA)
18-19 - - Not Used
20 0.5 YE 658 Cellular Telephone Voice Signal
21-22 - - Not Used
23 0.35 WH/L-GN 3376 Auxiliary Audio Common Signal (3) (KTA)
0.35 BK/D-BU 5843 Auxiliary Audio Common Signal (without KTA)
24 0.35 WH/YE 3377 Left Auxiliary Audio Signal (3) (KTA)
0.35 VT/WH 5839 Left Auxiliary Audio Signal (2) (without KTA)
25-26 - - Not Used
27 0.35 VT 3290 Integrated Center Stack Reset Signal
28 0.5 L-GN 5060 Low Speed GMLAN Serial Data
29-30 - - Not Used
31 0.5 OG/BK 1546 Front Low Level Audio (-) (UQA)
1 BK/YE 117 Right Front Speaker Signal (-) (1) (U65)
32 0.5 BN/D-BU 1947 Left Front Low Level Audio (-) (UQA)
1 BN/D-BU 118 Left Front Speaker Signal (-) (1) (U65)
33 0.5 BK/D-BU 1946 Right Rear Low Level Audio (-) (UQA)
1 BK/D-BU 115 Right Rear Speaker Signal (-) (U65)
34 0.5 BN 1999 Left Rear Low Level Audio (-) (UQA)
1 BK/L-GN 116 Left Rear Speaker Signal (-) (U65)
35 0.35 YE 5169 Mid Speed GMLAN Serial Data (+)
36 0.35 WH 5170 Mid Speed GMLAN Serial Data (-)
37 0.5 OG 6978 Amplifier Control (UQA)
38 2.5 BK 1750 Ground
39 1 YE 512 Right Front Low Level Audio Signal (UQA)
1 YE 200 Right Front Speaker (+) (1) (U65)
40 0.5 D-BU 511 Left Front Low Level Audio Signal (UQA)
1 D-BU 201 Left Front Speaker (+) (1) (U65)
41 0.5 BN/WH 546 Right Rear Low Level Audio Signal (UQA)
1 WH 46 Right Rear Speaker (+) (U65)
42 0.5 BK/L-GN 599 Left Rear Low Level Audio Signal (UQA)
1 L-GN 199 Left Rear Speaker (+) (U65)
43 0.5 WH 7066 Entertainment Remote Enable Signal (UDN or UQA)
0.75 WH 7066 Entertainment Remote Enable Signal (UDN with UQA)
44 2.5 RD/L-GN 40 Battery Positive Voltage
Connector Part Information 
  • Harness Type: Instrument Panel
  • OEM Connector: 88988902
  • Service Connector: 88988902
  • Description: 44-Way F GT 150 280 64 Series (BK)
Terminal Part Information 
  • Pins: 2, 3, 6, 10-13, 16, 17, 20, 23, 24, 27, 28
  • Terminated Lead: Pending
  • Release Tool: J-38125-215A
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: SAIT-A03T-M064/14
  • Core/Insulation Crimp: P/P
  • Pins: 38, 44
  • Terminated Lead: Pending
  • Release Tool: 15315247
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: F/D
  • Pins: 31-37, 39-43
  • Terminated Lead: Pending
  • Release Tool: 15315247
  • Diagnostic Test Probe: J-35616-2A (GY)
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: Pins: 31-37, 39-43: E/C
  • Core/Insulation Crimp: Pins: 31-34, 39-43: C/A
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