HVAC Control Module - Auxiliary

2006 Isuzu Ascender S, 4.2 S, 4WDSECTION HVAC Control Module - Auxiliary
WARNING: This page is about a different car, the 2008 Saab 9-7X. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HVAC Control Module - Auxiliary Connector End View
GM744295Courtesy of GENERAL MOTORS CORP.
Connector Part Information 
  • OEM: 12084944
  • Service: 12084944
  • Description: 16-Way F Micro-Pack 100 Series Unsealed (BK)
Terminal Part Information 
  • Pins: A1-A2, A4-A8, B1-B8
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
Pin Wire Circuit Function
A1 0.35 OG 4340 Battery Positive Voltage
A2 0.35 GY 2289 Class 2 Serial Data
A3 - - Not Used
A4 0.35 BK 2250 Ground
A5 0.35 BN/WH 230 Instrument Panel Lamps Dimming Control
A6 0.35 WH 119 Auxiliary Mode Door Control
A7 0.35 D-GN 2347 Auxiliary Blower Motor High Speed Control
A8 0.35 D-BU 2348 Auxiliary Blower Motor Medium Speed Control
B1 0.35 BN 199 Left Rear Speaker Output (+) (-UQA)
0.35 BN 199 Left Rear Low Level Audio Signal (+) (UQA)
B2 0.35 D-BU 46 Right Rear Speaker Output (+) (-UQA)
0.35 D-BU 46 Right Rear Low Level Audio Signal (+) (UQA)
B3 0.35 BN 599 Left Rear Low Level Audio Signal (+)
B4 0.35 D-BU 546 Right Rear Low Level Audio Signal (+)
B5 0.35 YE 116 Left Rear Speaker Output (-) (-UQA)
0.35 YE 116 Rear Low Level Audio Signal (-) (UQA)
B6 0.35 L-BU 115 Right Rear Speaker Output (-) (-UQA)
0.35 L-BU 115 Right Rear Low Level Audio Signal (-) (UQA)
B7 0.35 D-GN/WH 1547 Left Rear Low Level Audio Signal (-)
B8 0.35 BK 1946 Right Rear Low Level Audio Signal (-)
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.