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Boat Trailer Wiring Circuit Testers

9 Items
4-Pole Flat Lead Tester
4-Pole Flat Lead Tester
While using your tow vehicle it is highly important to know that the connector used is functioning properly. Improper wiring of the connector can …
Your price: $5.91
List price: $8.69
In stock

Seasense EZ Trouble Shooter 4-Way Circuit Tester
Seasense EZ Trouble Shooter 4-Way Circuit Tester
Plug tester into vehicle's 4-way flat towing plug. Operate vehicles turn signals, lights and brakes. When power is present, that circuit's green …
Your price: $3.22
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List price: $4.79
In stock

Seachoice Circuit Tester
Seachoice Circuit Tester
Features: Used to locate grounds, open circuits and shorts Can be used with 6 or 12 volt systems 8" long wire with alligator clips.
Your price: $6.55
List price: $9.45
In stock

Wesbar Circuit Testers
Wesbar Circuit Testers
The Wesbar Circuit Testers are a must-have tool in your trailer for checking the continuity of electrical circuits. These are 4-way, 5-way and 7-way …
Starting at: $11.02
List price: $14.49
In stock

7-Way Blade to 4 or 5 Flat with LED Circuit Tester - Cequent Trailer Products - Wesbar
7-Way Blade to 4 or 5 Flat with LED Circuit Tester - Cequent Trailer Products - Wesbar
Easily adapt OEM 7-way blade connector to either 5-flat or a 4-flat connector, patent pending. Instantly checks electrical circuit for connectivity. …
Your price: $15.99
List price: $20.85
In stock

4 Way Flat Tester (Anderson Marine)
4 Way Flat Tester (Anderson Marine)
Tester plugs into connector of tow vehicle and illuminates when the electrical connections are correct. Tests to SAE standards on flat 4-way …
Your price: $3.27
List price: $5.79
In stock

Trailer Connection Tester (Wesbar)
Trailer Connection Tester (Wesbar)
For all 4 pole flat boat trailer plugs. Tests tail, stop/turn and ground connection.
Your price: $9.94
List price: $12.19
In stock

4 Way Trailer Plug Circuit Tester with Cap - Seachoice
4-Way Trailer Plug Circuit Tester - Seachoice
Tester plugs into tow vehicle and LED illuminates to show if connections are correct and working.
Starting at: $4.17
List price: $4.95
In stock

18IN TRAILER CONNECTOR WUNSIDE - Wesbar
18IN TRAILER CONNECTOR WUNSIDE - Wesbar
Conforms to all applicable SAE NMMA and TMA standards. Has 5' blue wire (auxiliary circuit) & a 4' white wire (ground).
Your price: $4.50
List price: $5.69
Discontinued

9 Items
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