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- Please choose product options by visiting Light Ranger MUTT® (7-Way Spade Pin) <div class='mutt-title'>Mobile Universal Trailer Tester</div>.
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- USA Manufacturer Since 1996
- Satisfaction Guaranteed
- 24-Hour Repair/Replace

Customer Reviews
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"Works great. Now I can easily tell if it’s the trailer with the problem or the truck. Simple to use."
Ricky May
#9107A Review -
“Great product. Made in the USA. If you have a commercial trailer you need this.”
Craig
#9102 Review -
“If you do a lot of trailer PM's or FHWA the Super Mutt is a real time saver and a must have.”
Michael
#9008 Review