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Home >> Pontiac >> 2008 >> Grand Prix Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 329 (Cellular System, Entertainment System, And Navigation System) >> Component Locator >> Entertainment/Communication Connector End Views >> Vehicle Interface Unit
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Vehicle Interface Unit

WARNING: This page is about a different car, the 2008 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Vehicle Interface Unit Connector End View
GM339889Courtesy of GENERAL MOTORS CORP.
Connector Part Information 
  • OEM: 90980-AC001
  • Service: N/A
  • Description: BK
Vehicle Interface Unit

Pin Wire Function
1 BU/RD Antenna Signal
2 BU/RD Serial Data
3 BU/BK Right Front Door Lock Actuator Signal
4 GN/YE Horn Relay Signal
5 YE/BK Hazard Switch Signal
6-8 - Not Used
9 BU SIR Voltage
10-11 - Not Used
12 GY Battery Positive Voltage
13 BK/WH Ignition Switch - Start Voltage
14 BK Battery Positive Voltage
15 WH/BK Ground
16 - Not Used