Hi there had bat alt visit work shop ... replaced both 2 weeks ago now I have a mess of things going on first started lights pulsing on the highway now ESP not avail , SRS , stereo surges on and off windows stop working I also get the bat alt then all the lights go off and flash back on ... I now keep audio off and windows still stop working lights still pulse as well .. could this be from and under voltage from my alt or voltage regulator ?? HELP !!