Circuit Testers




Manufacturer Product Image Item Name Price
WIRTHCO Circuit/Spark Plug Tester

Circuit/Spark Plug Tester

Instantly locates wiring problems: bad connections, faulty or broken wires and sockets in 12V - 24V systems. Light illuminates if the batterys...
 $6.79

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J&W PRODUCTS De-Bug Tow Plug Monitor

De-Bug Tow Plug Monitor

Save time locating the source of trailer light problems! The de-Bug tow plug upgrade plugs into your vehicles tow plug to detect faulty wiring and...
 $6.69

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E.T.S. INTERNATIONAL Hookie Circuit Tester

Hookie Circuit Tester

Hooded hook protects your fingers and centers the wire being tested. Small size lets you use in the tightest applications and quickly tests low...
 $30.49

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AP PRODUCTS Lightcheck & Safety Plug

Lightcheck & Safety Plug

Check the lights on your trailer or 5th wheel without having to plug into your tow vehicle. Simply plug your 7-pin RV plug into the Lightcheck. The...
 $58.79

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CAMCO MANUF. CO. Quickee Circuit Tester

Quickee Circuit Tester

One-hand operation to test circuits in hard-to-reach areas. Works two ways -- captures and pierces wire with unique hook design or it can be used as...
 $38.79

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CEQUENT/REESE Trailer Emulator

Trailer Emulator

Lets you check your tow vehicle wiring without connecting to a trailer. 100% solid state circuit uses 12V and ground correction.
 $33.99

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