A Core deposit is a form of deposit you pay until returning your old part. If you don't have the core at the time of purchase, you must pay the core charge. That charge is refunded to you when you return the core.

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One Man Trailer Wiring Tester. Tests 4 & 5 Pin Flat connector wiring. Each signal from vehicle will emit a unique tone. One person makes complete test in 30 seconds! Just apply brakes, turn signals, running lights & engage reverse. Tester also emits unique tone for any shorts in the wiring! Greatly reduces time spent verifying vehicle trailer wiring. Very simple & easy to use - saves time.

  • Lighting Circuits Tested
    • Left Turn Signal
    • Right Turn Signal
    • Brake
    • Running Lights
    • Reverse
    • Wiring Shorts
BrandElectronic Specialties Inc
Part Number220
Line CodeESI
TerminologyTrailer Wire Tester
For warranty information please contact Auto-Wares.