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 LuminaFACTORY OEM SERVICE PROCEDURE
Test D: Power Window Lock-Out Function Inoperative
- Disconnect power window master switch 8-pin harness connector. Turn ignition switch to RUN position. Using test light connected to ground, probe power window master switch harness connector C1 terminal "D" (Dark Blue wire). See Figure . If test light does not illuminate, go to next step. If test light illuminates, go to step 3 .
- Replace power window master switch. After repair, perform power window system check. See POWER WINDOW SYSTEM CHECK under TROUBLE SHOOTING.
- Repair open or short to voltage in Dark Blue wire between power window master switch and individual power window switches. After repair, perform power window system check. See POWER WINDOW SYSTEM CHECK under TROUBLE SHOOTING.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no 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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.