. These people are not interested to help the problem.I have taken my truck to east end alignments for repairs and my mechanic has been working with me since this one. He my mechanic. And other people have told me that it takes up to a week they. they're mechanics at schools. to the day they installed it and to the day it stopped working. also the phobs. . Arguably disagree to each other. . my mechanic said. the wire the RPM Electronics put in. into my fuse box. completely killed my truck. my bill will be very heavy. I may take this to court. please tell these people. I will protest in front of their shop. please call me 778-877-****. .