1. Introduction
This manual provides essential instructions for the proper installation, operation, and maintenance of your Peterson Manufacturing 135R Red Oblong Clearance/Side Marker Light with Reflex Reflector. Please read this manual thoroughly before installation and retain it for future reference. This light is designed for use as a combination side marker and clearance light when mounted correctly.
2. Safety Information
- Always disconnect the vehicle's battery before performing any electrical work to prevent electrical shock or damage.
- Ensure all wiring connections are secure and properly insulated to prevent short circuits.
- Mount the light securely to prevent detachment during vehicle operation.
- Verify that the light functions correctly after installation before operating the vehicle.
- This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.
3. Package Contents
- 1 x Peterson Manufacturing 135R Red Oblong Clearance/Side Marker Light
4. Setup and Installation
The Peterson Manufacturing 135R light is designed for surface mounting and features a single wire connection. It is a universal fit component.
- Prepare Mounting Surface: Select a flat, clean surface on your vehicle for mounting. The light is designed to mount on 3-inch centers.
- Secure the Housing: Position the light housing and secure it using appropriate mounting hardware (not included). The light grounds through this mounting hardware.
- Wire Connection: Connect the single wire from the light to the appropriate power source for your vehicle's clearance or side marker lights. Ensure the connection is tight and protected from moisture.
- Attach Lens: The acrylic lens snaps onto the housing. Align the lens and press firmly until it clicks into place.
- Test Functionality: Reconnect the vehicle's battery and test the light to ensure it illuminates correctly as a side marker and/or clearance light.

An image of the Peterson Manufacturing 135R Red Oblong Clearance/Side Marker Light. The light features a red, oblong acrylic lens with an integrated reflex reflector. The overall dimensions are approximately 4.13 x 1.03 x 2 inches.
5. Operation
Once properly installed and wired, the Peterson Manufacturing 135R light will function as a red clearance or side marker light. It features a 15,000-hour long-life bulb, providing extended operational time. The integrated reflex reflector enhances visibility even when the light is not illuminated.
6. Maintenance
This light is designed for durability and features a waterproof construction. Regular maintenance is minimal:
- Cleaning: Periodically clean the lens with a soft cloth and mild soap solution to ensure maximum light output and visibility. Avoid abrasive cleaners.
- Inspection: Routinely check the light for any physical damage, loose connections, or signs of wear. Ensure the lens remains securely snapped onto the housing.
- Bulb Replacement: The light uses a long-life bulb. If the bulb eventually fails, the lens can be carefully removed to access and replace the bulb.
7. Troubleshooting
Problem | Possible Cause | Solution |
---|---|---|
Light does not illuminate | No power to the light | Check wiring connections, fuses, and vehicle's electrical system. Ensure proper grounding through mounting hardware. |
Light flickers | Loose connection or faulty bulb | Inspect all wiring connections for tightness. Replace the bulb if necessary. |
Dim illumination | Dirty lens or weak power supply | Clean the lens. Verify adequate voltage supply to the light. |
8. Specifications
- Brand: Peterson Manufacturing
- Model: 135R
- Color: Red
- Lens Material: Acrylic
- Dimensions (L x W x H): 4.13 x 1.03 x 2 inches
- Item Weight: 0.16 ounces
- Mounting: Surface mount, 3-inch centers
- Electrical Connection: Single wire, grounds through mounting hardware
- Bulb Life: 15,000 hours
- Special Feature: Waterproof
- Vehicle Service Type: Car (Universal Fit)
- UPC: 044464906027
9. Warranty Information
Peterson Manufacturing products are designed for quality and durability. For specific warranty details, please refer to the warranty documentation included with your purchase or visit the official Peterson Manufacturing website. Keep your proof of purchase for any warranty claims.
10. Support
If you encounter any issues or have questions regarding the Peterson Manufacturing 135R light that are not addressed in this manual, please contact Peterson Manufacturing customer support through their official website or the retailer from whom you purchased the product.