Automotive RepairVehicle Mechanical Issues2MildVehicle Owner/Operator$ implied
Need a switched power source on a trailer that lacks reverse lights or any other switched circuits beyond brake lights.
Standard trailer wiring only provides constant power, brake, turn, and ground; no built-in switched accessory circuit for add-ons.
42
0
Opp. Score
42
Severity
2Mild
Willingness to Pay
implied
Added
May 24, 2026
App Concept
TrailerTap Relay
TrailerTap Relay is a plug-and-play module that senses voltage from the brake or turn signal wires to provide switched power to trailer accessories. No splicing into vehicle harness needed; installs inline at the trailer connector.
Key Features
- Detects brake or turn signal activation to trigger switched power
- Inline adapter for standard 7-pin or 4-pin trailer connectors
- Adjustable timeout to keep power on for set duration after signal stops
- Weatherproof enclosure with LED indicator
Target Users: DIY trailer owners and small fleet operators needing switched power for accessories like reverse cameras, work lights, or electric brakes.
Revenue Model: $49.99 one-time purchase, $5.99 shipping
Part of App Idea
Need a switched power source on a trailer that lacks reverse lights or any other switched circuits beyond brake lights.Want to go deeper?
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