Hi folks, need your advice, Peterbilt 388-389 mirrors is not heating they turning bout ways no problem but none of 4 mirrors not heating. Does anyone of you know where is location of connectors (mirror cables go thru the brackets and disappear somewhere in cabin)? I want start to check from there and may be will find something. Or may be you have to same problem. My CB radio is not working, fuse is good, no power at cable for CB, tester shows electricity in fuse. Thanks