Section 300 (Electrical Component Locator): Switches

2004 Oldsmobile Bravada RWDSECTION Switches
WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
SWITCHES LOCATION

Component Location
A/C High Pressure Switch (6.6L) On right side of compressor. See Figure.
A/C Low Pressure Switch On right side of accumulator. See Figure.
Automatic Transmission Fluid Pressure Manual Valve Position Switch In automatic transmission.
Back-Up Lamp Switch On left side of transmission.
Brake Fluid Level Switch On left side of brake fluid reservoir.
Brake Pressure Differential Switch In brake line under master cylinder.
Clutch Start Switch On top of clutch pedal assembly.
Coolant Level Switch In coolant reservoir.
Engine Oil Level Switch (Except 6.6L) On right side of oil pan.
Engine Oil Level Switch (6.6L) On left rear of oil pan.
Engine Oil Pressure (EOP) Switch (4.3L) On top rear of engine. See Figure.
Park Brake Switch Part of park brake assembly.
Park/Neutral Position Switch On left side of transmission.
Pressure Switch Manifold In automatic transmission.
Stoplamp Switch On top of brake pedal bracket.
Surge Tank Switch (6.6L) On surge tank.
RENDER: 1.0x

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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.