Radio X1

2008 Pontiac Grand Prix BaseSECTION Radio X1
WARNING: This page is about a different car, the 2008 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Radio X1 Connector End View
GM1673491Courtesy of GENERAL MOTORS CORP.
Connector Part Information 
  • OEM: 15488568
  • Service: 88988743
  • Description: 14-Way F GT 150 Micro 64 Series (BK)
Terminal Part Information 
  • Pins: 1, 8
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: C/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: 2-7, 9-11,13
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)
Pin Wire Circuit Function
1 1 RD/WH 340 Battery Positive Voltage
2 0.35 TN 511 Left Front Low Level Audio Signal (+)
3 0.35 L-GN/WH 512 Right Front Low Level Audio Signal (+)
4 0.35 PK 5149 Cellular Telephone Voice Signal (UE1+UVB)
0.35 GY 655 Cellular Microphone Signal (UVB -UE1)
5 0.35 PK/BK 5152 Cellular Telephone Voice Low Reference (UE1+UVB)
0.8 BARE 514 Ground (UVB -UE1)
6 0.35 WH 7066 Remote Enable
7 0.35 YE 6817 LED Dimming Supply
8 1 BK 2550 Ground
9 0.35 D-GN 1947 Left Front Low Level Audio Signal (-)
10 0.35 OG/BK 1546 Right Front Low Level Audio Signal (-)
11 0.8 BARE 2011 Drain Wire
12 - - Not Used
13 0.35 D-GN 5060 Low Speed GMLAN Serial Data
14 - - Not Used
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.