









🚛 Test smarter, not harder — the ultimate trailer tester for pros on the move!
The Heavy Duty Trailer Tester is a rugged, water-resistant diagnostic tool engineered for 7-way round pin trailer connectors. It delivers a steady 10A @ 12V DC output to simulate turn signals, verify power and ground circuits, and detect short circuits or overloads. Featuring an internal battery compartment and trickle charger input, it ensures reliable, memory-safe testing in any environment, making it an essential device for professional trailer maintenance and repair.




| ASIN | B00H9UT1OU |
| Batteries | 1 12V batteries required. |
| Batteries Required? | No |
| Batteries included? | No |
| Colour | Factory |
| Customer Reviews | 4.6 4.6 out of 5 stars (426) |
| Date First Available | 11 Dec. 2013 |
| Included components | trailer light tester |
| Item Package Quantity | 1 |
| Item Weight | 454 g |
| Item model number | 9102 |
| Manufacturer | Innovative Products of America |
| Material | Plastic |
| Part number | 9102 |
| Pattern | 7-way round pin |
| Power source type | Battery Powered,Electric |
| Product Dimensions | 30.48 x 12.7 x 17.78 cm; 453.59 g |
| Size | One Size |
| Specification met | Ipa |
| Style | Protection |
| Voltage | 12 Volts |
L**E
tres bon pour mon utilisation que j'en ai a faire
S**N
Bought this to test trailer function on 7 way round pin connectors and works great...
M**S
fantastic product.
R**Y
It’s just right
R**D
I use it to test trailer lights, love it
Trustpilot
2 months ago
3 weeks ago