Two purpose-built trailer electrical testers. Pick the one that fits how you work.
SKU: TEDSPRO
Professional trailer electrical diagnostics with Auto-Test, live volts/amps, dedicated function switches, and 20A capacity.
Shop TEDS PRO™
SKU: TEDS
A rugged, simple trailer electrical tester for fast lighting, brake, and circuit checks without repeated trips between the cab and trailer.
Shop TEDS™One quick chart to decide — then scroll down to see all available products.
| Feature / Use Case | TEDS PRO™ View product |
TEDS™ View product |
|---|---|---|
| Typical user | Professional shops, fleets | DIY owners, small shops |
| Connector compatibility | 7-way RV + 4-flat (with adapters) | 7-way RV + 4-flat (with adapters) |
| Lighting circuit testing | ✔ | ✔ |
| Function Controls | Dedicated switches (one per function) | Rotary dial (select a circuit) |
| How many functions can be tested together | Any number at once | One |
| Live amp / volt display | ✔ | — |
| Auto-Test (one-person testing) | ✔ | — |
| Protection (breaker / overload) | ✔ | ✔ |
| Brake circuit testing | High-current brake power test (20A max) | Basic brake power check |
| Electric-over-hydraulic brakes | ✔ | — |
| Best for | In-depth diagnostics + repeated shop use | Quick pre-trip checks + occasional troubleshooting |
| Base price | Fetching price...— | Fetching price...— |
You want a simple, rugged tester for quick checks or occasional troubleshooting.
You want 20A capacity, faster diagnostics, real-time readings, and one-person testing.
TEDS PRO Semi coming soon. If you can't wait, you can use an adapter with TEDS PRO.
