GlowShift offers Expandable Circuits that allow you to easily power your 12 volt powered gauges directly from the fuse panel of your vehicle. Using this accessory eliminates the need to cut or splice into your vehicle’s existing wiring and making any permanent modifications. Expandable circuits are offered in ATO (ATC), Mini, Low Profile Mini, Micro2 and Micro3 fuse sizes. Each circuit ships with a 4 amp fuse and installation instructions. GlowShift includes free lifetime technical support and a one year limited warranty with each purchase.