Quote Originally Posted by metal_mulisha01 View Post
Yes bro, I usually remove the battery negative terminal before installation of any electronic accessories. just an update, 2 days after ng problem ko nag engage na ulet ang compressor... bakit kaya ganun? may learning period ba kapag may nadetect na new load? Masyadi hightech kc everest
I don't work on fords but we do have our own proprietary can bus systems. The can bus system lets you identify faults faster and configure your vehicle. But you need a computer to access this.

There are plenty of help pala with the everest club. They can do configuration and fault finding.