Troubleshooting:
1. Check the Fuse: Start with the simplest. Consult your owner's manual to locate the fuse for the power windows and verify it's not blown. Replace if necessary.
2. Test the Switch: Try the other power window switches. If *all* the windows fail, the problem is likely *not* the driver's side switch. If only the driver's side is affected, the switch is a suspect, but the regulator is more likely.
3. Check the Wiring: This is more involved. You'll need to access the wiring harness leading to the driver's side window motor. Look for any broken, frayed, or disconnected wires. Pay close attention to the area where the harness flexes as the window moves. A visual inspection is crucial.
4. Listen Carefully: With the switch pressed, listen closely to the driver's door. Can you hear any faint motor sounds (a weak hum) or other noises indicating the motor is trying to work but failing? This helps differentiate a motor issue from a regulator issue. A clunking noise strongly points toward a failing regulator.
5. Manual Test (if possible): Some 1992 Explorers might allow for manually raising the window (with the door panel off). If you can manually raise it, but it won't work with the switch, the problem is likely the switch or wiring. If you cannot move it manually, the regulator is almost certainly the culprit.
Replacement:
If troubleshooting points to the regulator, replacement is the most likely solution.
1. Part Acquisition: You'll need a new power window regulator for the driver's side of a 1992 Ford Explorer. You can find these at auto parts stores (like AutoZone, Advance Auto Parts, etc.), online retailers (Amazon, eBay), or salvage yards. When ordering, make sure you specify the year, make, and model of your Explorer.
2. Door Panel Removal: You'll need to remove the driver's side door panel. There are many online guides and videos showing how to do this for your year and model. Search YouTube for "1992 Ford Explorer driver's side door panel removal." Be careful not to damage any clips or wiring.
3. Regulator Replacement: Once the door panel is off, you'll see the power window regulator. The process of removing and installing the new regulator varies depending on the specific design. Again, YouTube videos specific to your year and model will be immensely helpful. Take pictures as you disassemble the old regulator to help with reassembly.
4. Reassembly: Once the new regulator is in place, reassemble everything carefully, ensuring all connections are secure and the door panel is properly attached.
5. Test: Test the window several times to ensure it operates smoothly.
Important Considerations:
* Safety: Disconnect the battery's negative terminal before starting any electrical work.
* Tools: You'll need basic tools like screwdrivers (Phillips and flathead), possibly a trim removal tool, and possibly a socket set.
* Patience: This is a moderately involved repair job. Take your time and don't rush. Refer to online resources frequently.
If you're not comfortable with automotive repair, it's best to take your Explorer to a qualified mechanic. The cost of professional repair might be less than the time and frustration of attempting the repair yourself if you lack the experience.