7 Way Flat Pin Trailer Circuit Tester shop This Jumbo service wrench set

This Jumbo service wrench set includes sizes 1-11/16"

12-point box end design

When these fail

Puller body is drop-forged and heat-treated for strength

5/16" and 3/8 ) and EKL13609 (long key sizes 1

7 Way Flat Pin Trailer Circuit Tester shop This Jumbo service wrench set7 Way Flat Pin Trailer Circuit Tester Features and Benefits: Quickly and easily test trailer circuits on most light to medium duty trucks and campers Tests vehicle circuits on 7 Flat Spade Pin connections quickly identifies faulty circuits Made from LEDs and ABS plastic ensures durability 1 Year Limited Warranty Tester plugs into vehicle side wiring harness. Each of the 7 leds on the tester correspond to the correct circuit. An LED not lighting up for