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.
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HOMESERVICE MANUALSCHEVROLET1999CORVETTE 2D COUPE, STANDARDREPAIR AND DIAGNOSISBODY & FRAMEWINDOWSPOWER WINDOW SYSTEMTROUBLE SHOOTINGPRELIMINARY INSPECTION
1999 Chevrolet Corvette 2D Coupe, Standard
Preliminary Inspection
1999 Chevrolet Corvette 2D Coupe, StandardSECTION Preliminary Inspection
- Using scan tool, attempt to establish communication with door control modules. If communication is not successful, repair serial data link fault first. See appropriate wiring diagram in DATA LINK CONNECTORS article in WIRING DIAGRAMS. If communication with modules is successful, retrieve all Diagnostic Trouble Codes (DTCs). Perform necessary repairs if DTCs exist. See DIAGNOSTIC TROUBLE CODE INDEX table under SELF-DIAGNOSTIC SYSTEM.
- If both windows are inoperative from master switch assembly, check fuses No. 30, 31, 33 and 34. Replace as necessary.
- If windows move slowly, ensure battery is fully charged, tand erminal contact and ground connections are okay. Ground points are located behind left and right kick panels. Check WINDOW MOTOR & REGULATOR lubrication. Ensure aftermarket equipment is properly installed. If no problem was found, repair by symptom. See SYMPTOM INDEX table under SYMPTOM TESTS.
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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.