Electrical & Lights

100 products

  • 12V Auxiliary Battery Charger (PJ Replacement)

    Nationwide Trailers Parts 12V Auxiliary Battery Charger (PJ Replacement)

    This 12V Auxiliary Battery Charger is the built-in trickle charger that comes on most factory PJ Trailers, ensuring your 12V lead-acid battery stays charged and ready. With a 110V input and 5-amp output, this charger is equipped with advanced safety features, including short circuit, reverse polarity, and overcharge protection. A user-friendly push-button tester helps monitor battery and alternator conditions for optimal performance. Features Trickle Charging: Maintains 12V lead-acid batteries efficiently. Safety Features: Protects against overcharging, short circuits, and battery faults. Easy Installation: 3/8" ring terminals and 24” leads for secure connections. Built-In Battery Tester: Push-button tester for checking battery health. Receptacle passes through the side of the tool box. Comes with two 2' battery cable leads with 3/8" eyes. Details 12 volt compatibility 5 charging amps Suitable for Lead Acid batteries only Short circuit & reverse polarity protection Overcharge & overload protection Battery fault detection 3/8" ring terminals with shrink tube 24" 18 AWG wire leads with terminal ring connections

    $66.99

  • PulseTech SP-3 SolarPulse Solar Battery Charger/Maintainer, 3 Watt Solar Battery Charger Lights & Electrical (FS) Nationwide Trailers Parts Store

    PulseTech PulseTech SP-3 SolarPulse Solar Battery Charger/Maintainer, 3 Watt

    The PulseTech® SP-3 SolarPulse® 3-Watt Solar Charger restores and maintains the normal loss of 12V lead-acid battery power on seldom used outdoor vehicles and equipment. SolarPulse's higher efficiency, higher quality crystalline silicon cells pack more power per square inch and have longer life than standard amorphous "thin film" solar cells for a sturdier smaller sized solar panel. Plastic coated panels are virtually indestructible and impervious to weather and age.The SP-3 charging system provides a full 3-Watts of power in a small durable size (4.7''L x 9.45''W x 0.25''H). For ultimate performance, it should be used on a single 12V lead-acid battery to replace the power loss from electrical accessories that occurs even when the ignition is switched off and to reverse naturally occurring sulfation buildup on the battery plates. Details Works with all 12-Volt lead-acid batteries including VRLA, AGM, gel and flooded cell Commercial-grade crystalline cells are 30% smaller per watt than and twice as efficient as typical panels Maintains the normal loss of battery power on seldom-used vehicles and equipment Patented Pulse Technology circuit continuously desulfates the battery  Virtually indestructible commercial design Dramatically reduces jumpstarts Maintains the battery indefinitely without the danger of overcharging or overheating Reverse polarity protected LED indicates unit is working Ten-Year Limited Warranty Circuit Box Dimensions: 3.4" L x 2.25" W x 1.5" HSolar Panel Dimensions: 4.7" L x 9.45" W x 0.25" HOperating Temperature: 0°F to 130°FStorage Temperature: 0°F to 150°FBox to Lug Wire Length: 3'Box to Panel Wire Length: 17'Quick Disconnect Between Solar Panel & Circuit Box

    $125.00

  • Hopkins Breakaway Switch Hopkins Breakaway Switch

    Hopkins Hopkins Breakaway Switch w/ Pin & Cable

    Protect your trailer investment! Break-away kits activate trailer brakes upon separation from tow vehicle. Most states and provinces require trailer break-away kits , contact your department of transportation for complete towing law information. Breakaway switch features silver contact points for a superior electrical connection and a high-temp metal mounting tab and nylon pull pin. 44 inch wires with bullet terminals Weatherproof switch design 48 inch pin and cable Weatherproof polymer coating prevents cable from rust Pin grommet provides weather tight seal with the switch

    $17.49

  • 7-Way Wiring Harness, 7ft 7-Way Wiring Harness, 7ft

    Nationwide Trailers Parts 7-Way Wiring Harness, 7ft

    Connect your gooseneck trailer with confidence using this 7-Way Wiring Harness. Featuring a molded, sealed plug and industrial-grade durability, this 7-foot harness is designed to link your trailer’s junction box to the tow vehicle, ensuring a reliable connection every time. Features Molded Sealed Plug: Provides weather-resistant durability and long-lasting use. 7 Blade RV-Style Plug: Compatible with most trailer connections, two contacts for each blade. Industrial-Grade Quality: Built to withstand heavy-duty conditions for reliable performance. 7-Foot (84") Length: Ample length for versatile trailer configurations. Why Choose This Wiring Harness? Dependable Connection: Ensures stable power transfer to your trailer's lighting and braking systems. Easy Installation: Quickly connects to your trailer’s junction box for a seamless setup.

    $56.99

  • LED Clearance Light, Amber/Red Fender Lights & Electrical Nationwide Trailers Parts Store

    Optronics LED Clearance Light, Amber/Red Fender

    Pre-wired fender light assembly functions as both amber front clearance and red rear clearance light for over 80" applications. Mount on top or side of most fenders to mark widest point on trailer. Single diode lights feature sealed, polycarbonate lens and housing in a single unit. Details/Specs: Assembly contains one each amber and red MCL12 light and durable ABS fender mount bracket Dimensions: 4 3/4" L x 1 5/8" W x 1 1/4" H Note: Specify left or right side. Manufacturer: OptronicsPart No: MCL-12ARLB (Left), MCL-12ARRB (Right)

  • Junction Box, Wiring, 7-Terminal Trailer Lights & Electrical Nationwide Trailers Parts Store

    Nationwide Trailers Parts Store Junction Box, Wiring, 7-Terminal Trailer

    2-piece junction box with 7 terminals helps prevent malfunctioning and overloaded circuits. Includes rubber grommets and mounting hardware. Manufacturer: PhoenixPart No: PH1053

    $10.49

  • Connector Socket, RV Vehicle End, 7-Way, Metal Lights & Electrical Nationwide Trailers Parts Store Connector Socket, RV Vehicle End, 7-Way, Metal Lights & Electrical Nationwide Trailers Parts Store

    Nationwide Trailers Parts Store Connector Socket, RV Vehicle End, 7-Way, Metal

    7-way RV style socket connector for vehicle end. Details/Specs: Heavily plated metal construction Resistant to weather and corrosion Terminal reinforcements eliminate shorting & prevents contact from spreading Center pins accepts up to 8-gauge wire Vinyl inserts keep out dirt and moisture Spring-loaded cover with stainless steel spring Safety latch ensures connector is plugged into socket Color-coded to RVI standards At its widest point, the diameter of the round portion 1-7/8" Mounting holes are 1-1/2" from center to center vertically and 2-3/16" from center to center horizontally

    $9.49

  • 7-Way Wiring Harness, 10ft 7-Way Wiring Harness, 10ft

    Nationwide Trailers Parts 7-Way Wiring Harness, 10ft

    Connect your gooseneck trailer with confidence using this 7-Way Wiring Harness. Featuring a molded, sealed plug and industrial-grade durability, this 10-foot harness is designed to link your trailer’s junction box to the tow vehicle, ensuring a reliable connection every time. Features Molded Sealed Plug: Provides weather-resistant durability and long-lasting use. 7 Blade RV-Style Plug: Compatible with most trailer connections, two contacts for each blade. Industrial-Grade Quality: Built to withstand heavy-duty conditions for reliable performance. 10-Foot (120") Length: Ample length for versatile trailer configurations. Why Choose This Wiring Harness? Dependable Connection: Ensures stable power transfer to your trailer's lighting and braking systems. Easy Installation: Quickly connects to your trailer’s junction box for a seamless setup.

    $66.99

  • Connector Plug- 7-Way

    Nationwide Trailers Parts Store Connector Plug- 7-Way

    7-way connector plug with built-in safety latch to prevent damage from accidental drive-away. Details/Specs: 7 flat pins (RV-type) Plastic inserts keep out dirt and moisture Manufacturer: BuyersPart No: TC2007P

    $9.99

  • Grommet, 2-1/2" Round

    Nationwide Trailers Parts Store Grommet, 2-1/2" Round

    2 1/2" round rubber grommet.

    $1.49

  • LED Light, Mini, License Plate Lights & Electrical Nationwide Trailers Parts Store

    Optronics LED Light, Mini, License Plate

    2-diode design includes both lead and ground wires for mounting to all surfaces and polished, chrome-plated housing. Details/Specs: Mounting screws included Dimensions: 2 9/16" L x 1 3/16" W x 15/16" D Manufacturer: OptronicsPart No: LPL-31CB

    $9.95

  • Sale -11% LED Tail Light, 6" Oblong Lights & Electrical Nationwide Trailers Parts Store

    Optronics LED Tail Light, 6" Oblong

    Sealed, flush mount, red LED stop, turn, tail light. Sonically sealed, waterproof lens and housing in a single unit. All-weather molded plastic housing and durable lens protect against corrosion. Details/Specs: 10 super diodes for bright, dependable performance Meets DOT FMVSS 108 requirements in any 360 degree position Accepts industry standard 3-prong plug for easy retrofit of incandescent lights Requires mounting grommet and plug for complete installation Manufacturer: OptronicsPart No: STL-72RBD

    $18.99 $16.99

  • LED Clearance Light, 2-1/2" Red Lights & Electrical Nationwide Trailers Parts Store

    Optronics LED Clearance Light, 2-1/2" Red

    3-diode LED features sonically sealed, waterproof lens and housing in a single unit. Details/Specs: Accepts industry standard 2-prong plug for easy retrofit of incandescent lights Requires mounting grommet and plug for complete installation Manufacturer: OptronicsPart No: MCL-57RB

    $7.99

  • Optronics ST8RB Universal Mount Tail Light (M440) Optronics ST9RB Universal Mount Tail Light (M440)

    Optronics Optronics ST8/9 Universal Mount Combination Tail Light (M440)

    Universal stud-mount stop/turn/tail lights for under 80” applications. 6-function right side. 7-function left side with tag light. Compatible with Peterson M440 Details/Specs: Right/Passenger side: 6-function: stop, turn, tail, rear reflex, side marker, and side reflex Left/Driver side: 7-function: stop, turn, tail, rear reflex, side marker, side reflex and tag illuminator Mounts on 2” centers and grounds through mounting studs. Features screw-on, replaceable lens and easy to change replaceable bulb. Shock proof socket guarantees long bulb life. All-weather molded plastic housing and durable lens protect against corrosion. Designed with plug-n-go connections for quick connect wiring. Dimensions: 5 1/16" L x 4 9/16" W x 2 5/8" D Color: RedMount: StudConnection: Quick Connect PortsHousing Material: PlasticLens Material: AcrylicVoltage: 12VAmp Draw: Stop 2.5/Tail 1.0Warranty: 3 YearWeight: 0.309 lbDimensions (W x H x D): 4.563 x 4.563 x 2.875 Manufacturer: OptronicsPart No: ST8RB (Right/Passenger), ST9RB (Left/Driver)

  • LED Clearance Light, Beehive Marker, 2" Red Lights & Electrical Nationwide Trailers Parts Store

    Optronics LED Clearance Light, Beehive Marker, 2" Red

    2" beehive style clearance/marker or rear tracking light. 8-diode LED features sonically sealed, waterproof lens and housing in a single unit. Requires 2-prong plug. Manufacturer: OptronicsPart No: MCL-21RB

    $9.99

  • Complete Break-Away Kit

    Nationwide Trailers Parts Store Complete Break-Away Kit

    Break-away kit, side-load with LED, charger, and switch.

    $39.99

  • Right Angle Pigtail, Three Wire

    Nationwide Trailers Parts Store Right Angle Pigtail, Three Wire

    Pigtail with 6" lead. Three-wire molded plug for double contact sealed lights. Ideal for use with stop/turn/tail lights. Includes #10 ring terminal on ground wire; hot wires are bare. Manufacturer: OptronicsPart No: A-45PB

    $2.99

  • Clearance Light, Rectangular, 4" Red Lights & Electrical Nationwide Trailers Parts Store

    Optronics Clearance Light, Rectangular, 4" Red

    Rectangular clearance or side marker light with reflectorized lens eliminates the need for a separate reflector to meet DOT requirements. Features snap-on replaceable lens and easy to change replaceable bulb. All-weather molded plastic housing and durable lens protect against corrosion. Details/Specs: Mounts on industry standard 3” centers Assembly contains both lead and ground wire for mounting to all surfaces Dimensions: 4" L x 1 1/2" W x 15/16" D Manufacturer: OptronicsPart No: MC-44RB

    $2.29

  • Connector, RV Trailer End, 7-Way, Metal Lights & Electrical Nationwide Trailers Parts Store

    Nationwide Trailers Parts Store Connector, RV Trailer End, 7-Way, Metal

    7-way flat pin trailer end connector in durable metal casing.

    $15.49

  • Optronics A65PB Thin Line Clearance Marker Light Mounting Bracket Optronics Mounting Bracket and Single Wire Plug Kit for Thinline Series (A65PB)

    Optronics Optronics Mounting Bracket and Single Wire Plug Kit for Thinline Series (A65PB)

    The Optronics A65PB Mounting Bracket and Single Wire Plug Kit provides a secure mounting solution for Thinline series trailer lights. This kit includes a black polycarbonate bracket and a single wire plug that grounds through the mounting hardware, offering a streamlined installation. Ideal for clearance and marker light applications, this durable setup is perfect for long-lasting performance. Features Single Wire Design: Grounds directly through mounting hardware, simplifying wiring. Polycarbonate Bracket: Durable and resistant to corrosion for extended use. Included Components: Comes with the A65B black bracket and A65P single wire plug with .156 male bullet connector. Easy Installation: Quick setup with molded lead wire for secure connection. Kit: Includes A65B black bracket & A65P single wire plug, .156 male bullet Details Housing Material: PolycarbonateVoltage: 12VWarranty: 3 YearWeight: .044lbsDimensions (W x H x D): 4.063 x 1.063 x 0.500 Optronics Part No: A65PB

    $2.99

  • Clearance Light, Rectangular, 4" Amber Lights & Electrical Nationwide Trailers Parts Store

    Optronics Clearance Light, Rectangular, 4" Amber

    Rectangular clearance or side marker light with reflectorized lens eliminates the need for a separate reflector to meet DOT requirements. Features snap-on replaceable lens and easy to change replaceable bulb. All-weather molded plastic housing and durable lens protect against corrosion. Details/Specs: Mounts on industry standard 3” centers Assembly contains both lead and ground wire for mounting to all surfaces Dimensions: 4" L x 1 1/2" W x 15/16" D Manufacturer: OptronicsPart No: MC-44AB

    $2.29

  • Optronics STL75AB LED Clearance Light Optronics STL75AB LED Clearance Light

    Optronics Optronics STL75AB LED Clearance Light, 6" Oval Mid-Ship, Amber 12V

    Sealed, protruding mount, amber LED marker light with mid-ship turn signal. Details/Specs: Size: 6" Oval w/ bubble Color: Amber Industry-standard PL-3 socket is integrated into the housing 9-16 volt operating range Meets DOT FMVSS 108 requirements for E2 mid-ship turn signal, intermediate side marker and reflector All-weather molded plastic housing and durable lens protect against corrosion Requires mounting grommet and plug for complete installation Diodes: 9Mount: GrommetVoltage: 12VAmp Draw: 0.141A (Turn) .060 A (Marker)Warranty: Lifetime LED WarrantyDimensions (W x H x D): 6.5 x 2.313 x 2.750 Manufacturer: OptronicsPart No: STL75AB

    $21.49

  • Optronics Two-Wire Pigtail, Straight – 6" Leads with PL-10 Plug (A46PB) Optronics Two-Wire Pigtail, Straight – 6" Leads with PL-10 Plug (A46PB)

    Optronics Optronics Two-Wire Pigtail, Straight – 6" Leads with PL-10 Plug (A46PB)

    The Optronics A46PB Two-Wire Straight Pigtail offers a reliable connection for sealed marker and clearance lights. This pigtail features a 6-inch lead with a right-angle design and PL-10 molded plug for compatibility with standard lighting setups. The ground wire is equipped with a 4.25mm eyelet, and the hot wire is bare, allowing for straightforward installation. Features 6-Inch Leads: Provides ample length for secure connections in various lighting applications. PL-10 Molded Plug: Ensures compatibility with sealed marker/clearance lights. #10 Ring Terminal: Ground wire includes a 4.25mm eyelet for easy grounding. Right Angle Design: Offers a streamlined fit for tight spaces. Details Connection: PL-10Voltage: 12-24VWarranty: 3 Year Warranty Optronics Part No: A46PB

    $1.99

  • Optronics MCL96RB LED Clearance Light Optronics MCL96RB LED Clearance Light

    Optronics Optronics Mini Thinline LED Clearance/Side Marker Light – Red 12V (MCL96RB)

    The Optronics MCL96RB Mini Thinline Clearance Light is perfect for enhancing visibility on trailers with a compact, 3-diode LED design. This red light is sonically sealed, waterproof, and durable, making it ideal for clearance and side marker applications. Equipped with a self-grounding base and a weather-tight gasket, it offers dependable, long-lasting performance. Features 3-Diode LED Design: Bright, energy-efficient illumination with minimal power draw (0.051 amps). Waterproof & Durable: Sonically sealed polycarbonate lens and housing withstand harsh environments. Easy Installation: Surface mount with a 2-prong plug and includes A-91BB self-grounding base. Lifetime LED Warranty: Reliable, long-lasting light for various applications. Details Diodes: 3Mount: SurfaceConnection: Hard WiredHousing: PolycarbonateLens: PolycarbonateVoltage: 12VAmp Draw: 0.051Warranty: Lifetime LED WarrantyDimensions (W x H x D): 2.6 x 1.2 x 0.94 Optronics Part No: MCL96RB

    $7.99


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Trailer Lights & Electrical Accessories

Trailer Lights & Electrical Parts Collection

Nationwide Trailers offers a comprehensive collection of trailer lights and electrical parts, essential for keeping your trailer safe and road-ready. Whether you’re looking to upgrade your trailer’s lighting with energy-efficient LEDs, replace worn-out wiring, or secure reliable connectors, our collection has everything you need. We stock lights and electrical components compatible with popular trailer brands like PJ Trailers and LoneStar Trailers, ensuring you find the right parts that meet your trailer’s specifications.

Our lights and electrical parts selection includes LED and incandescent lights, trailer wiring harnesses, connectors, adapters, and battery accessories—all designed for durability in tough road and weather conditions. Proper lighting and electrical systems are crucial for visibility and safety, and our products ensure your trailer remains fully functional and compliant with road safety standards.

Not sure which electrical component or lighting solution is best for your trailer? The knowledgeable team at Nationwide Trailers is here to help you choose the parts that best suit your needs, whether you’re outfitting a utility, cargo, or flatbed trailer.

 

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