Best Relay Box Tester

Electronic Specialties 192 Black 2.5' x 5' 12/24V Diagnostic Relay Buddy

3 diagnostic trouble codes help define the cause of the bad relay.
Fails bad relays - Good/Bad indication, green light for PASS, red light for FAIL with flashing trouble code.

【Powerful Circuit Tester Kit】The P200 Automotive Circuit Tester is the only circuit tester on the market that can be upgraded, a tool for quickly testing all ✅9V-30V✅ electronic systems. It can diagnose problems in the components, electrical circuit systems or fuel injectors of the car in the shortest time. Not only the test time is greatly shortened, but also more intelligent and intuitive, suitable for any novice driver or maintenance engineer..
【Fuel Injector & Relay Tester】It is extremely important to regularly test the fuel injector. Damage to the fuel injector can easily lead to unstable idle speed of the engine, increased fuel consumption, causing engine shock. It is worth mentioning that TopDiag P200 auto circuit tester has been added 300+ USD valued powerful functions, namely: ✅Fuel Injector Test✅ Relay test mode. TopDiag makes diagnosing your car easier and saves maintenance costs..
【0~5V Adjustable Power Supply & Activating Components】0~5V power is useful when checking the wiring to the ECU/ECM, also meet the voltage requirements for the sensitive parts with low voltage. Besides positive activation, negative activation is our n....

Large Capacity Relay Holder – This relay box is 6 slots relay panel design, which includes 5 slots for 5 pin Bosch style relays, 1 slot for RTT7121 4 pin relay..
ATC/ATO Fuse Relay Box – This fuse block with relay is also 6 slots relay holder design for ATC/ATO fuses, which makes the fuse relay become safer when use..
Suitable Terminals – This 12v relay box will also come with terminals for relays and fuses, which will enables you to install and use the fuse and relay box at once..
Top & Bottom Cover – This relay box 12v automotive will come with a top cover and a bottom cover, which makes the relay fuse box become a waterproof relay box..
What you get – 1 x Fuse Relay Block with Top and Bottom Cover, 5 x Bosch Style 5 Pin Relay, 1 x RTT7121 4 pin relay, 16 x Blade Fuses(4 x 10A, 4 x 20A, 4 x 25A, 4 x 30A), 41 x Metallic Terminals, 1 Year Warranty. Feel free to contact us if confused..

【Fitment】Ignition Coil(traditional coil, double spark coil, single spark coil) generator, fan, electric-magnetic valves, emission gas controlling value, fuel injectors, relay. etc..
【Features】You can quickly and easily diagnose whether the ignition system of the car is working properly, avoid fire, and burn out the ignition coil. It provides a safe and reliable troubleshooting method that is convenient, economical and time-saving..
【Long-lasting】The Spark Tester is adopted to the high-quality aluminum material with high quality. The internal LED light will show you if the ignition system is normal. The ABS head is easy to insert and long-lasting, making it the right choice..
【Long-lasting】The car to be tested should park at an area with good air condition, can not suck into exhaust emission from engine. During test process, it is necessory to avoid the moving parts and heat source to protect tester and testing equipments..
【Good Performance】Excellent mechanical stability and corrosion protection. Professional manufacturing, high accuracy.