ESI 307M Fuse Buddy Mini Current Loop, Factory

Seems well built.

The only thing missing is a voltage tap.

You can get an amperage draw reading thru the fuse test port by using a multimeter forcing the current(amperage) thru the meter leads NOTE: Polarity has to be correct orientation(or you will blow a meter fuse).. But this tool is idiot proof basically. Just plug and play and put an amp clamp thru the red wire hoop. Take your reading and your done. Then troubleshoot the issue if need be. This tool is easy to use compared to a conventional amperage test procedure

These work really well but don't fit just everywhere. Several times I've wished that these had a skinnier body that would allow for more clearance and better fitment as well as more applications. When it does fit it works well.

I work as a professional auto mechanic. I am an ASE Master Tech with advanced certification. I purchased this Fuse Buddy to use with my Snap-on Low Amp Clamp. With this Fuse Buddy I am able to plug it into the fuse and then clamp my low amp clamp around the loop and diagnose a circuit. When I purchased this I was going to diagnose a problem with a fuel pump. With the Fuse Buddy I didn't have to go under the car I could easily do my diagnoses with my amp clamp and the fuse buddy. The best part of it was when the problem happened I could see that I was still getting normal amperage to the fuel pump so I knew then that the problem was not with the fuel pump. These Fuse Buddy's are a great find for anyone working in the field and wants to save a little time. The best part is that you can use them on any electrical circuit that requires a fuse. This comes in real handy when the component you want to test is hard to get to such as a fuel pump. Most automotive electrical devices are in series with the fuse so if you check the wiring diagram and this is the case then the amperage will be the same threw out the circuit. Like I said these Fuse Buddy's are GREAT!!!!!!!!!!

Just as advertised

Finally someone makes devices like this instead of us trying to get a bunch of male and female wire connectors, fuses and wires to do lab scope tests on cars. Just pull out the fuse, use the Current Loop that fits the fuse socket, install the fuse you removed from the vehicle in the side of the Loop, install the Loop back in the fuse socket and test the devise or circuit. Good quality, good size, fast results and cannot damage the vehicle.They just need to make one that fits the low profile mini fuse now.

works perfect to hook up a low amps probe to test amperage on a vehicle. the wonderful thing about current, is it's the same through the entire circuit. the fuse box is usually the easiest place to axcess the circuit your are trying to test, so just yank the fuse out and place it in the current loop and you have an easy way to get a current reading on your scope!i also bought the ATC fuse size also

I plan to use this with busman circuit breakers with a mini footprint. That way I can monitor current overloads without losing a fuse. I bought two of these, from different places, because I was impressed by the usefulness. I will cut the loop on one of them and terminate with male and female in-line connectors. This will allow me to route the current through a shunt resistor and use a voltmeter. My current meter can be on the second fusebuddy, and so I can monitor two currents at once.

excelente herramienta para diagnostico de consumo de amperaje

Love this. Best bit of kit I ever bought for my amp clamp. Will need to buy the standard blade one soon.

will help with finding problems

Very good but a little expensive