Standard Motor Products MRS105
Standard Ignition MRS105 Remote Mirror Switch
Instruction Manual
Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Standard Ignition MRS105 Remote Mirror Switch. Please read this manual thoroughly before installation and use to ensure proper function and longevity of the product. This switch is designed to provide precise control over your vehicle's side mirrors.
Product Overview
The MRS105 is a direct-fit replacement remote mirror switch, engineered to match the fit, function, and performance of the original equipment switch. It allows for convenient adjustment of the left (L) and right (R) side mirrors from within the vehicle cabin.

Figure 1: Front view of the MRS105 Remote Mirror Switch, showing the "MIRRORS" label, "L" and "R" selectors, and the directional control pad.

Figure 2: Rear view of the MRS105 Remote Mirror Switch, displaying the multi-pin electrical connectors for vehicle integration.
Installation and Setup
Installation of the MRS105 switch typically involves replacing an existing mirror switch. Professional installation is recommended if you are unfamiliar with automotive electrical systems.
Pre-Installation Checks:
- Ensure the vehicle's ignition is off and the battery is disconnected to prevent electrical shorts.
- Verify that the MRS105 is the correct replacement part for your vehicle's make, model, and year.
- Gather necessary tools, which may include screwdrivers, trim removal tools, and a wiring diagram for your specific vehicle.
Installation Steps:
- Carefully remove the trim panel or housing surrounding the existing mirror switch. Refer to your vehicle's service manual for specific instructions.
- Disconnect the electrical connector(s) from the old mirror switch.
- Remove the old switch from its mounting location.
- Connect the vehicle's electrical harness to the new MRS105 switch, ensuring a secure and proper connection (refer to Figure 2 for connector view).
- Mount the new MRS105 switch into its designated location.
- Reconnect the vehicle's battery.
- Test the functionality of the new switch before reassembling the trim panels.
- Reinstall any removed trim panels or housing.
Operation
The MRS105 Remote Mirror Switch provides intuitive control over your vehicle's side mirrors.
Adjusting Mirrors:
- Select Mirror: Move the selector switch (typically a small lever or button) to "L" for the left mirror or "R" for the right mirror.
- Adjust Position: Use the directional control pad (four arrows) to move the selected mirror:
- Press the up arrow to move the mirror up.
- Press the down arrow to move the mirror down.
- Press the left arrow to move the mirror left.
- Press the right arrow to move the mirror right.
- Deselect Mirror: After adjusting, return the selector switch to the neutral (center) position to prevent accidental adjustments.
Maintenance
The MRS105 Remote Mirror Switch is designed for durability and requires minimal maintenance.
Cleaning:
- Wipe the surface of the switch with a soft, damp cloth.
- Avoid using harsh chemicals, abrasive cleaners, or excessive moisture, as these can damage the switch's finish or internal components.
Inspection:
- Periodically check the switch for any signs of physical damage, such as cracks or loose buttons.
- Ensure the switch operates smoothly and provides tactile feedback when pressed.
Troubleshooting
If you experience issues with your MRS105 Remote Mirror Switch, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Mirror does not move when switch is operated. |
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| Switch feels loose or unresponsive. |
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If troubleshooting steps do not resolve the issue, it is recommended to consult a qualified automotive technician.
Technical Specifications
| Manufacturer | Standard Ignition |
| Part Number | MRS105 |
| Material | Copper |
| Item Package Quantity | 1 |
| Weight | 0.1 Pounds (approx. 45.36 g) |
| Package Dimensions | 11.8 x 9.5 x 8.1 cm |
| ASIN | B01BTU600I |
| Global Trade Identification Number (GTIN) | 00727943250902 |
Warranty and Customer Support
Standard Motor Products stands behind the quality of its products. For specific warranty information regarding your MRS105 Remote Mirror Switch, please refer to the warranty documentation included with your purchase or visit the official Standard Motor Products website.
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact Standard Motor Products customer support through their official channels. Have your product model number (MRS105) and purchase details ready when contacting support.
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