Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Chevrolet Blazer 4D Utility, RWDFACTORY OEM SERVICE PROCEDURE
Component Locations
COMPONENT LOCATIONS
| Component | Location |
|---|---|
| Ambient Light Sensor | Top Of Instrument Panel, In Speaker Grille |
| Body Control Module (BCM) | Below Right Side Of Instrument Panel |
| Door Ajar Switch | In Respective Door |
| Electronic Brake Control Module (EBCM) | Inside Left Fender |
| Engine Coolant Level Switch | Right Front Corner Of Engine Compartment, Attached To Coolant Reservoir |
| Fuel Tank Module | Under Center Rear Of Vehicle |
| Ignition Switch | In Steering Column |
| Body Relay Block | Under Left End Of Instrument Panel |
| Instrument Panel Fuse Block | Under Left End Of Instrument Panel |
| Parking Brake Switch Connector | Under Left Kick Panel |
| Powertrain Control Module (PCM) | Right Side Of Engine Compartment |
| Seat Belt Switch | Under Driver's Seat |
| Sensing & Diagnostic Module (SDM) | Under Passenger's Seat |
| Underhood Junction Block | Left Side Of Engine Compartment |
| Washer Fluid Level Sensor | Inside Left Fender |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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