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Editorial Review
Tests 7 pin round connector wiring. One man audible trailer tester saves time. The Pin Round Trailer Wiring Buddy also verified 12 volt charging signal as well as trailer brake signal.

Features
1) Each signal from vehicles emits a unique tone
2) Loud beep can be heard over shop noise
3) Apply brakes, turn signals, running lights, engage reverse and listen
4) Greatly reduces time spent verifying vehicles trailer wiring
5) This model also verified 12 v charging signal as well as trailer brake signal

Specification
Binding : Automotive
Brand : Electronic Specialties
EAN : 0855174001625
Label : Electronic Specialties
Manufacturer : Electronic Specialties
Model : 222
PackageDimensions_Weight : 20.00 hundredths pounds
PackageDimensions : L:6.50 X W:5.60 X H:0.90
ProductGroup : Automotive Parts and Accessories
ProductTypeName : AUTO_ACCESSORY
Publisher : Electronic Specialties
SKU : 32682
Studio : Electronic Specialties
Title : ESI 222 7 Pin Round Trailer Wiring Buddy