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Small Power Cable Option

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03. The only wired connection necessary for the Mini Maxx to work is at the OBD-II port. The problem with running it solely off the OBD-II plug is that it is on all the time (with the truck on or off) unless you flip the small switch on the side of the adapter plug. Instead, we’d suggest using the small power cable option that H&S provides. Hook up the power cable to a switched ignition lead and then the unit will turn on and off with the truck.

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