Nexiq USB Link 125032 Companion Guide Over 30 pages of information The most common problem people have with a Nexiq USB Link is that it won't connect to the truck. But how do you figure out if its the adapter, the truck, the computer, or the cable? Well, we have created a simple 6-step process to help you figure it out! This guide gives pictures for every single step! We also include a custom flow-chart that you can print out and keep with your USB Link!