Boat Trailer Wiring Circuit Testers

8 Items
 
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 …
List price: $14.49
Starting at:
$8.84
In stock
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 …
List price: $8.29
Your price:
$5.82
In stock
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 …
List price: $4.79
Your price:
$3.22
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In stock
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.
List price: $9.45
Your price:
$6.55
In stock
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. …
List price: $20.85
Your price:
$15.99
In stock
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 …
List price: $5.79
Your price:
$3.27
In stock
Trailer Connection Tester (Wesbar)
For all 4 pole flat boat trailer plugs. Tests tail, stop/turn and ground connection.
List price: $12.19
Your price:
$9.94
In stock
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).
List price: $5.69
Your price:
$4.50
Discontinued
8 Items
 
5% Off Cordage, Shackles, More
Seachoice
 
Special Pricing on Select Products
Seasense
 
Wesbar
 
Anderson Marine
Sierra