The only suggestion for improvement would be that they don't "snap in" when connected. But I suspect this is a limitation of the OBD2 connector design itself, not this product. We bought this splitter for all of our trucks and used a zip tie to "secure" the connection so it wouldn't fall off. I'm not sure if that's going to happen, but we just wanted to make sure. We used this splitter to connect an ELD GPS device.
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