Smart MUTT® (7-Way Flat Pin) Mobile Universal Trailer Tester
$712.50
Description
Quickly Troubleshoot and Repair Light Duty Trailers
Built to facilitate a one-man testing operation, the Smart MUTT ® reduces guesswork and inspection time to prevent failures that lead to expensive road calls and citations. This unit places a load on the trailer’s electrical circuits to verify proper lighting function. The Smart MUTT® is designed to be used on 7-way flat, 6-way round, and 4/5 pin connections
Features
ELECTRICAL TESTING(12/24V Operation)
- Power lights and electric brakes: Manually, All-On, Auto Scan, or by Remote Control from over 200 ft. away
- Audible and visual alerts: cross, open, overloaded and short circuit indication
- Trailer wiring and circuit testing
- Diagnostic Pulsar® mode allows safe overloaded/short circuit repair
- Amperage readout and range (-/ 20 amp range)
- Remote control allows for one-man testing
Includes:
• 3-Button Remote Control (#MUT-RM3-9004A) • 500mA Battery Charger (#CHR0001) • 3-Way Trailer Adapter (#8000)
Read Our Full Trailer Testing Blog Here

Specifications
Connection Type: 7-Way Flat Pin
Power Input: 12/24V DC
Battery Requirements: Yuasa #YTX14 or Similar Recommended
Source Output: 20A @ 12/24V DC
Controls: Manual, Remote, Automatic
Material: Powder-Coated Steel
Weight: 10 lbs.
Dimensions: 12″ L x 9.5″ W x 9″ H
Warranty: 3-Year Limited Warranty
CoO: USA
Power Input: 12/24V DC
Battery Requirements: Yuasa #YTX14 or Similar Recommended
Source Output: 20A @ 12/24V DC
Controls: Manual, Remote, Automatic
Material: Powder-Coated Steel
Weight: 10 lbs.
Dimensions: 12″ L x 9.5″ W x 9″ H
Warranty: 3-Year Limited Warranty
CoO: USA