ascMcLaren Enthusiasts An asc McLaren forum for ALL Mustang and Capri based cars modified by Automotive Speciality Corporation, a Division of American Sunroof Corporation. (a trademarked corporation) with no affilation to this site.
I had a similar problem. I ended up finding a poorly crimped positive battery cable (factory crimp). It only acted up when I had everything on including the fog lights. Alt tested good and previous ow ...