So I got this harness in last week and I just finish getting the sensors hooked up and I tied a ground to one of the wires with the truck off and nothing. Won't a negative ground make it work? It says on the accuair site a negative input from a alarm. So to test it out can't i just ground one of the wires?
http://www.accuair.com/airmanagementproducts/auxiliary-rf-pigtail-harness-3
http://www.accuair.com/airmanagementproducts/auxiliary-rf-pigtail-harness-3
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