8 Fairfax St SE
NAPA Auto Parts Genuine Parts Company
8 Fairfax St SE
Leesburg,  VA  20175
(703) 777-2055
Reserve Online Participant
Store Hours
Mon-Fri:7:30 AM-7:00 PM
Sat:8:00 AM-5:00 PM
Sun:9:00 AM-5:00 PM
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Trailer Wire Connector Circuit Testers - H/D Truck Phillips Industries
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Trailer Wire Connector Circuit Testers - H/D Truck Phillips Industries

Part #: PHI 630040
Line: Phillips Heavy Duty

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Features & Benefits

Warranty :Standard : Products Are Free Of Defects And Meets Standard Specifications

For Light-Duty Applications, Indesctructible Molded PVC, High Impact Resistance.

  • All Testers Are Internally Grounded. A Handy & Essential Tool for Every Shop or Driver.
  • Many Drivers Carry These L.E.D. Circuit Checkers to Quickly Identify Lighting Problems Prior to Leaving the Freight Yard(s).
  • Manufactured to Meet or Exceed O.E.M. Specifications in Function, Form & Fit.


Brand Phillips Industries
Socket Type Use On 4 Way Flat Connectors
VMRS Code 053006199
Equipment Used On Light Duty (4 Way Flat Connections)

Safety Information

Vehicle Fitment Guide

Product Reviews