I am interested in buying the OPUS dc dc power supply but i have been given little to no info on the installations of them. The one guy i talk to told me he connected them directly to the wires that powered the ciggarette lighter. Can you hook it up this way or do i have to run wires to the battery thur the fire wall in the car. IF ANYONE CAN PLEASE POST SOME THING HERE THANK YOU
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Need Help Can't Decided About Opus