1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Nilight Power Master Window Switch. Please read this manual thoroughly before installation and retain it for future reference.
1.1 Compatibility
This Nilight master power window switch is designed for direct replacement in the following vehicle models:
- 1999-2002 Chevy Silverado 1500, 2500, 2500 HD
- 1999-2002 GMC Sierra 1500, 2500, 2500 HD, 3500
Please verify your vehicle's make, model, year, and the original switch's pin terminal quantity (8 Pins + 8 Pins) before proceeding with installation.
Figure 1.1: Compatible Vehicle Models
1.2 Package Contents
- 1x Nilight Power Master Window Switch (Model 90550A)
- 1x Switch Removal Tool
- 1x User Manual
2. Product Overview
The Nilight Power Master Window Switch is a direct replacement component designed to restore full functionality to your vehicle's power windows and door locks. It features a durable ABS construction, ensuring resistance to water, vibration, and wear.
Figure 2.1: Front and Back View of the Window Switch with Pin Connectors
2.1 Key Features
- OE-Like Design: Engineered to match the fit, function, and appearance of the original equipment switch.
- Durable Construction: Made from high-quality ABS material for enhanced longevity and resistance to environmental factors.
- Responsive Operation: Provides smooth and immediate response for window control.
3. Installation Instructions
Follow these steps carefully to ensure proper installation of your new power master window switch. A switch removal tool is included to assist with the process.
Figure 3.1: Installation Steps Diagram
- Safety First: Open your vehicle's hood and disconnect the negative terminal of the battery. Ensure the vehicle is in a full stop condition before proceeding.
- Remove Old Switch: Using the provided switch removal tool, carefully insert it into the gap around the existing window switch panel. Gently pry the panel to release it from the door.
- Disconnect Wiring: Once the panel is loose, carefully disconnect the electrical harness from the old switch assembly. Inspect the connectors for any dust or debris and clean if necessary.
- Install New Switch: Insert the electrical harness into the new Nilight power master window switch until it clicks securely into place. Position the new switch assembly into the door panel opening.
- Reconnect Battery: Reconnect the negative terminal of your vehicle's battery and tighten the clamp to ensure a good connection.
- Test Functionality: Turn on your vehicle's ignition and test all functions of the new power window switch, including all window controls and the window lock/unlock button.
Figure 3.2: Before and After Replacement
4. Operation
The Nilight Power Master Window Switch provides intuitive control over your vehicle's windows and door locks.
Figure 4.1: Window Switch Button Functions
- Front Driver Window (AUTO): Press down fully and release for automatic window descent. Pull up fully and release for automatic window ascent. Partial press allows manual control.
- Front Passenger Window: Press down to lower the window, pull up to raise the window. Release the button to stop the window at the desired position.
- Window Lock/Unlock Button: Press this button to enable or disable control of the passenger windows from their respective switches. When locked, only the master switch can operate the passenger windows.
5. Maintenance
To ensure the longevity and optimal performance of your Nilight Power Master Window Switch, follow these simple maintenance guidelines:
- Keep Clean: Regularly wipe the surface of the switch with a soft, dry cloth to remove dust and debris.
- Avoid Liquids: Prevent liquids from spilling onto the switch, as this can cause electrical damage.
- Gentle Operation: Operate the buttons with gentle, firm presses. Avoid excessive force which could damage the internal mechanisms.
6. Troubleshooting
If you experience issues with your power window switch, consider the following troubleshooting steps:
- Window Not Responding:
- Check if the window lock button is engaged.
- Verify that the electrical connectors are securely attached to the switch.
- Inspect your vehicle's fuse box for a blown fuse related to the power windows. Refer to your vehicle's owner's manual for fuse locations.
- Intermittent Operation:
- Ensure all connections are clean and free of corrosion.
- If the issue persists, the window motor or wiring within the door may require inspection by a qualified technician.
If these steps do not resolve the issue, please contact Nilight customer support for further assistance.
7. Specifications
| Specification | Detail |
|---|---|
| Brand | Nilight |
| Model Number | 90550A |
| Part Number | 90550A |
| Replace Part Number | 15047637, 19259957 |
| Compatibility | 1999-2002 Chevy Silverado 1500/2500/2500HD, GMC Sierra 1500/2500/2500HD/3500 |
| Terminal Configuration | 8 Pins + 8 Pins |
| Operation Mode | Toggle |
| Current Rating | 5 Amps |
| Operating Voltage | 12 Volts (DC) |
| Contact Type | Normally Open |
| Connector Type | Plug In |
| Material | Durable ABS, Brass Contacts |
| Color | Black |
| Item Dimensions (L x W x H) | 3.94 x 1.97 x 1.97 inches |
| Item Weight | 0.5 ounces |
| International Protection Rating | IP64 |
| UPC | 840323905091 |
8. Warranty and Support
8.1 Warranty Information
This Nilight Power Master Window Switch comes with a 2-Year Warranty provided by Nilight. This warranty covers defects in materials and workmanship under normal use.
8.2 Customer Support
For technical assistance, warranty claims, or any questions regarding your Nilight product, please contact Nilight customer support through their official website or the retailer where the product was purchased.
