radio installation

I have installed a Kenwood TM-271A radio into my new silverado and was looking to troubleshoot the problem I am having with it. 1) Whenever I transmit, My Oil gauge with drop to 0 and set off a code. I have asked a few local hams and they suggested just putting a mechanical oil gauge in. I...

Hey everyone, i just have a few questions and wondering what peoples thought were or if it's possible to be done. I recently installed a BCT15X into my truck, i direct wired installed it due to saving cigarette plug space for other electronics such as my fire dept. light stick, bluetooth fm...