I have had the gt100+ for a while now and it's a decent readout box.

Loving the GT100+ so far. Durable enough for daily use as a BoB, functional enough for bench testing and programming. There are cheaper breakout boxes out there, but NONE have this level of functionality. Even if you're a DIYer chasing a no com, this tool can still pay for itself in one use.

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At first look I thought what was I getting myslf into but after doing some research online ane getting the pin layout of the 2004 For Ranger that that had a intermitten Stalling issue I was able to use wire the Gt100+ between the ECM and the harness and using my cheep OBD2 Scanner determine that that every time the engine stalled the ECM had stopped putting out injector puleses while all of the sensors were funtioning properly. The GT100+ was instromentle in determining that I had a bad ECM and not just a bad ground like everyone was telling me. This tool looks intimidating at firt glance but after playing around with it and seeing how good it work I wouldnt hesitate to use it again when I have a mistery ECM trouble that a OBD scanner can't detect. In closing I would like to add that I wish the harness wiring was a bit more stout but after using it I quickly realized that they have to be this way to fit in the tight plugs that the factory use. Thank you GoDiag for making such a good product I'm sure I will find many other uses for this unit.

I’m still learning to use it. I like the display. Also it picks up quickly on the can buss and keeps updating the voltage.

Really pleased with it. Adapter for 12v on the bench is great - used it a couple of times to get a VCI driver running without a car. It is great value at $119

Got this a few days ago, have to say that it's great value... even for a tool I didn't strictly need

Finally got my hands on one of this last week. Gotta say, it's well worth the money! Works perfectly as a Breakout box. Works even better when bench testing modules. The test harness it comes with has enough power/ground/CAN/network pins to connect to everything I had on hand. I tested a '13 Sentra PCM and an '04 GM BCM with no problems:

Another vote for the GT100+.  Its functionality and price can't be beat.