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Audio Amplifier X1

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Audio Amplifier X1 Connector End View
GM1420770Courtesy of GENERAL MOTORS CORP.
Audio Amplifier X1

Pin Wire Circuit Function
1 0.35 TN 511 Left Front Low Level Audio Signal
2 0.35 D-GN 512 Right Front Low Level Audio Signal
3 0.35 D-BU 6760 Center Channel Low Level Audio Signal (YQ4 or YQ6 or YQ7)
0.35 D-BU 658 Cellular Telephone Voice Signal (YQ2 with UE1)
4 0.35 WH 6765 Subwoofer Low Level Audio Signal (YQ4 or YQ6 or YQ7)
5 0.35 BN/WH 599 Left Rear Low Level Audio Signal (YQ4 or YQ6 or YQ7)
6 0.35 D-BU 546 Right Rear Low Level Audio Signal (YQ4 or YQ6 or YQ7)
7 0.35 D-BU 658 Cellular Telephone Voice Signal (YQ4 with UE1)
8 0.35 PU 5837 Amplifier Audio Prompt Signal (+) (YQ4 or YQ6 or YQ7)
9 0.35 D-GN 1488 Noise Reduction Microphone (+) (YQ4 or YQ6 or YQ7)
10 0.35 D-GN 5060 Low Speed GMLAN Serial Data
11-13 - - Not Used
14 0.35 PU/WH 5754 Amplifier Powered Woofer Control (1) (YQ4 or YQ6 or YQ7)
15 0.35 PU 5755 Amplifier Powered Woofer Control (1) (YQ4 or YQ6 or YQ7)
16 0.35 PK/BK 5755 Amplifier Powered Woofer Control (2) (YQ4 or YQ6 or YQ7)
17 0.35 D-GN 1947 Left Front Low Level Audio (-)
18 0.35 L-GN 1948 Right Front Low Level Audio (-)
19 0.35 OG 6761 Center Channel and Subwoofer Low Level Audio Common (-) (YQ4 or YQ6 or YQ7)
0.35 L-BU/BK 659 Cellular Telephone Voice Low Reference (YQ2 with UE1)
20 - - Not Used
21 0.35 BN 1999 Left Rear Low Level Audio (-) (YQ4 or YQ6 or YQ7)
22 0.35 TN 1946 Right Rear Low Level Audio (-) (YQ4 or YQ6 or YQ7)
23 0.35 L-BU/BK 659 Cellular Telephone Voice Low Reference (YQ4 with UE1)
24 0.35 GY 5836 Amplifier Audio Prompt Signal (-) (YQ4 or YQ6 or YQ7)
25 0.35 BARE 1489 Noise Reduction Microphone Drain Wire (YQ4 or YQ6 or YQ7)
26-32 - - Not Used
Connector Part Information 
  • OEM: 1326141-1
  • Service: 88988259
  • Description: 32-Way F 0.64 mm (0.025 in) LAC (GY)
Terminal Part Information 
  • Pins: 1-10, 14-19, 21-25
  • Terminal/Tray: 638551-1/16
  • Core/Insulation Crimp: Pins 1-10, 17-19, 21-25 - J/J
  • Core/Insulation Crimp: Pins 14-16 - K/K
  • Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)
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