8404060053 MASTER SWITCH ASSY, POWER WINDOW REGULATOR
Images
2 Images
Compatibility
Toyota 8404060053
| Description | Model | Options | Prod Period | Diagram |
|---|---|---|---|---|
| GRJ12#,KDJ120,KZJ120,LJ12#,RZJ12#,TRJ12# | TRJ120L-GKPEKV | ATM,MTM: AUTOMATIC TRANSMISSION; NO. Of Doors: 5-DOOR; Driver's Position: LEFT-HAND DRIVE VEHICLES; Grade: GX TYPE; Gear Shift Type: ATM, 4-SPEED FLOOR SHIFT; Engine: (2TRFE) 2700CC 16-VALVE DOHC EFI; Destination: GULF CORPORATION COUNCIL | 08.2004 - 08.2009 | View |
Information
Driver Power Window Master Switch — OEM‑grade Replacement ⚡
This driver‑side controller manages every electric window from one place and integrates lock/child‑lock functions. Built to factory fit, it restores smooth, quiet window operation and night illumination—no wiring hacks, just plug‑and‑play. Ideal when your SUV’s windows act slow, intermittent, or stop responding.
Why you need it
Daily use, moisture, and worn contacts cause erratic signals to the window relays. Replacing the unit brings back reliable up/down movement, protects regulators and fuses, and keeps safety features like auto up/down and rear lock working.
How it works
Each rocker sends low‑voltage commands through spring contacts to the door harness. The internal PCB handles auto functions, backlight, and child lock, routing power to the correct window circuit. Tight connectors and seals keep dust and humidity away from the contacts.
What happens if it’s broken ⚠️
Symptoms include dead or random window response, loss of auto function, flickering backlight, or stuck child lock. In severe cases, shorted contacts can blow a fuse or drain the battery. You risk trapped glass, water leaks, fogging, and security issues.
Install & quality tips ✅
Direct swap in minutes: release the trim, unplug, click in the new unit. No coding on most trims. Choose strong plastics, precise tabs, and gold‑plated contacts for long life and crisp tactile clicks.
Compatibility
- Land Cruiser Prado