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CUSTOM TRAILER LIGHT AND CIRCUIT TESTERS "Made in the USA" - $129 (LITTLESTOWN)
condition:
new
make / manufacturer:
QUICK CHECK
size / dimensions:
7" x 10-1/2" x 8-1/2" high
year manufactured:
2026
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Base System equipped with a round 7-blade RV type "vehicle end" towing electrical connector for checking lights, power circuits and electric brake operation anytime anywhere without a tow vehicle, portable one-person operation.
Optional custom components include 4-flat connection, built-in DOT turn signal flasher and a variety of industry standard plug-in adapters for testing a wide range of utility and boat trailers, campers, RVs and cargo trailers up to and including semi tractor trailers, all with one system. "4-flat only" systems available for lighter duty applications, only pay for what you need.
Activate circuits individually or simultaneously on universal control panel with overload protection at home in the shop or on the road for quick routine lighting checks, professional inspections, troubleshooting, repairs or stand-alone trailer lighting control.
Easily accessible junction box with heavy-duty wiring for checking amperage on each circuit, up to 20-amp capacity on auxiliary power and electric brakes circuits.
Color coded hard-wired construction, no solid-state components or printed circuit boards.
Uses a 12-volt U1 or U1R lawn and garden battery (not included), no tools required to install. Accommodates clamp-on trickle chargers and memory savers. Works with a variety of 12-volt lead acid and lithium power tool, powersport and generator batteries that fit in the 5" x 7-3/4" x 6" high battery compartment.
STANDARD FEATURES AND SPECIFICATIONS
1. One-hand portability.
2. Limited 5-year guarantee.
3. Flexible round 7-blade RV type connection.
4. 15-amp quick-reset push-button circuit breaker.
5. Works with LED, incandescent and mixed lighting.
6. No power drain if left "ON" when disconnected from trailer.
7. Small vented U1 marine grade housing 7" x 10-1/2" x 8-1/2" high.
8. Control panel configured for standard trailers and semi tractor trailers.
9. Circuit identification guide referencing wiring color to circuit function.
PRICING
1. Round 7-blade RV Base System: $129.00
2. Hard-wired 4-flat connection: $12.00
3. Combo 4-flat / round 6-pin adapter: $17.00
4. Combo 4-flat / 5-flat / round 6-pin adapter: $22.00
5. Round 7-pin semi tractor trailer adapter: $27.00
6. Built-in turn signal / hazard flasher: $25.00
7. "4-flat only" system: $99.00
DELIVERY
1. Direct from manufacturer, several in stock.
2. Pick up in Littlestown, PA or ship, charge per zip code.
3. USPS Priority Mail w/ tracking and ETA.
4. Package size 12.25" x 12.00" x 8.50".
Proven performance and reliability serving trailer and RV manufacturers, retailers, owners, inspectors and mechanics from coast to coast since 2016.