Contents
The Best Trailer Light Power Module of 2023 – Reviewed and Top Rated
2,458 Reviews Scanned
- FUNCTIONALITY: Uses a direct connection to the tow vehicle's battery to power the trailer's stop, turn, tail and running lights without overloading the vehicle's electrical system
- USAGE: Use when trailer has more than 1 light assembly per side and is equipped with multiple clearance or running lights; if tow vehicle may tow a variety of trailers; if tow vehicle has 'lamp out' sensors
- SECURITY: Integrated, re-settable short circuit and overload protection - safeguards itself and the tow vehicle from shorts and wiring installation mishaps
- COMPATIBILITY: For vehicles with pulse width modulation (PWM) taillights, ensuring full brightness of the trailer lights; use on 2 or 3 wire systems; works with LED and/or incandescent bulbs (vehicle & trailer)
- POWER: Rated at up to 4.2 amps for turn/stop circuits and 7.5 amps for the taillight circuit; includes pigtail with 4-flat connector and cover along with wire for battery; comprehensive instructions
- WARNING: Will not work with all 2016 – 2021 Mercedes GLC300 models. Will not work with vehicles with low-side switch
- COMPATIBILITY: Universal ModuLite designed to be used on most vehicles plus the hard to wire vehicles. Advanced circuitry works in all standard applications as well as vehicles with ST and STT pulse width modulation (PWM) systems. Interprets/decodes multiplex signal inputs (i.e. Audi, BMW, Mercedes and VW)
- FUNCTIONALITY: The unit is rated for up to 4.2 amps for Turns/Stops circuits and 7.5 amps for the Taillight circuit. Draws power directly from the vehicle battery and uses less than 5mA of the vehicle circuit for sensing to turn the trailer functions on and off. Will work with either LED/Incandescent bulbs (vehicle & trailer)
- DESIGNED: Has integrated re-settable Short Circuit and Overload protection, to safeguard itself and the tow vehicle from shorts and installation wiring mishaps. Designed not to send feedback thru the vehicle circuits. The trailer brakes will override the hazard lamps when the brake is activated
- SECURED: All solid-state components in potted encapsulation. Includes integrated protective cover
- uses a direct connection to the tow vehicle's battery to power the trailer's stop, turn, tail and running lights without overloading the vehicle's electrical system
- use when: trailer has more than 1 light assembly per side and is equipped with multiple clearance or running lights; if tow vehicle may tow a variety of trailers; if tow vehicle has 'lamp out' sensors
- re-settable short circuit/overload protection - guards itself and the tow vehicle from shorts and wiring install mishaps; rated at up to 4.2 amps for turn/stop circuits, 7.5 amps for taillight circuit
- for vehicles with pulse width modulation (pwm) taillights, ensuring full brightness of the trailer lights; use on 2 or 3 wire systems; works with led and/or incandescent bulbs (vehicle & trailer)
- Fit type: Vehicle Specific
- WARNING: Will not work with all 2016 – 2021 Mercedes GLC300 models
- UNIVERSAL MODULITE: Tekonsha 4 Flat Connector ModuLite HD Plus Protector Trailer Wiring Harness powers your trailer's stop, turn, tail, and running lights without overloading your vehicle electrical systems.
- OVERLOAD PROTECTION: This trailer hitch wiring harness has integrated re-settable Short Circuit and Overload protection to safeguard itself and the tow vehicle from shorts and installation wiring mishaps.
- COMPATIBILITY: Advanced circuitry works in all standard applications as well as vehicles with ST and STT pulse width modulation (PWM) systems and can be used on a 2 wire or 3 wire system.
- RATED: This wiring harness for trailers is rated for up to 4.2 amps stop light/turn signal circuit capacity and 7.5 amps taillight circuit capacity.
- 3 to 2 Wire Tail Light Converter: This trailer light converter adapts vehicle's 3 wire system into a standard 2 wire trailer taillight wiring, provides a standard 4-way flat socket to connect the trailer taillights, brake lights and turn signals for towing; Powers up to 5.0 amps for R/L turn & brake
- Multi-Function Trailer Converter: Powered 3 to 2 trailer light converter can be also used to converts 2-wire system or PWM system to standard 2-wire system, provides a universal trailer connector on your vehicle by splicing into the vehicle's electrical system
- LED Compatible: 6-Wire System to 4-Wire System trailer light converter will work on vehicles and trailers with either LED, incandescent, or standard bulb tail lights; (Note: Powered converter wiring kit might be required to connect to your vehicle battery, Not included)
- Durable Construction: 3 wire to 2 wire trailer wiring converter is made of high strength ABS plastic, pure copper wires ensure great conductivity and long-lasting use, 4 way socket equipped with a dust cover to protect the connector from rain and dust
- Easy Installation: Tail light converter for trailer connects directly to your vehicle's wiring with the pre-stripped wires, package includes snap locks for secure connection of the wires, do not require heavy duty flashers
Last update on 2025-07-22 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: Which is U-Haul trailer Light Power Module 14494?
A: For your vehicle, U-Haul offers the universal 4-flat trailer light power module part 14494 and the 4-flat powered quick connect part CQT118534. Thank you! What is the warranty period? Hi, Rick! The Trailer Light Power Module 14494 is covered for 30 days unless the two year wiring service plan was purchased.
Q: What kind of power do I need for a trailer light?
A: 4-way flat plug with 3-to-2 powered taillight converter. Fits any vehicle with a 12-Volt negative ground system. Powers the trailers stop, turn and tail/running lights directly from the tow vehicles battery. May be used on two or three wire systems. Handles up to two bulbs per trailer circuit.
Q: Where is the fuse on a trailer light?
A: The Trailer Light Power Module includes a fuse that is commonly installed about 6-12 inches from the vehicle battery. I hope that is helpful! Is this product what I need for a 2014 dodge caravan, trailer wiring, or can you recommend another product on here, if its not the correct product?
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