GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Express - AWD 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Hydraulic Brake Connector End Views
Connector 1: Brake Fluid Level Switch (Heavy Duty)
Connector 2: Brake Pressure Differential Switch (Light Duty)
Connector 3: Park Brake Switch
Connector 4: Power Brake (P/B) Booster Fluid Pressure Alarm Switch (UJ1)

Brake Fluid Level Switch (Heavy Duty)
Object Number: 646406 Size: CH

Connector Part Information

  • OEM: 15336004
  • Service: 15306187
  • Description: 2-Way F GT 150 Series Sealed 3.2 X 4.0 (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Brake Fluid Level Switch (Heavy Duty)

Pin

Wire Color

Circuit No.

Function

A

BK

1250

Ground

B

PU

333

Brake Fluid Level Switch Signal

Brake Pressure Differential Switch (Light Duty)
Object Number: 847209 Size: CH

Connector Part Information

  • OEM: 12052646
  • Service: 12101857
  • Description: 2-Way F Metri-Pack 150 Series Sealed (WH)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Brake Pressure Differential Switch (Light Duty)

Pin

Wire Color

Circuit No.

Function

A

BK

150

Ground

B

PU

333

Brake Fluid Pressure Switch Signal

Park Brake Switch


Object Number: 35348 Size: CH

Connector Part Information

  • OEM: 12004267
  • Service: 08911256
  • Description: 1-Way F 56 Series Lock Type (BK)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Park Brake Switch

Pin

Wire Color

Circuit No.

Function

A

L-BU

1134

Park Brake Switch Signal

Power Brake (P/B) Booster Fluid Pressure Alarm Switch (UJ1)
Object Number: 646148 Size: CH

Connector Part Information

  • OEM: 12020599
  • Service: 12102664
  • Description: 2-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12077411/2
  • Core/Insulation Crimp: 2/5
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Power Brake (P/B) Booster Fluid Pressure Alarm Switch (UJ1)

Pin

Wire Color

Circuit No.

Function

A

TN/WH

33

Brake Booster Fluid Switch Signal

B

L-BU/BK

1928

Brake Booster Fluid Switch Signal