Rear Window Washer Fluid Pump

2006 Buick Terraza CXL, 3.5 L, AWDSECTION Rear Window Washer Fluid Pump
Fig 1: Wiper/Washer System Connector End View
GM646148Courtesy of GENERAL MOTORS CORP.
Wiper/Washer System Connector End Views

Connector Part Information 
  • OEM: 12020599
  • Service: 12102664
  • Description: 2-Way F Metri-Pack 280 Series (BK)
Terminal Part Information 
  • Terminal: 12077411/Tray 2
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 12094430/J-35616-4A
Rear Window Washer Fluid Pump

Pin Wire Color Circuit No. Function
A BK 1650 Ground
B D-GN 392 Rear Window Washer Pump Control
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.