What could be wrong need help
I have a 1995 ford mustang v6 3.8l
and it will start and run in neutral but
if u turn the headlights on it kills the
car. If u put ur foot on the brake it also
kills the car. If u put it in gear as soon
as u start to ease off the clutch it dies
has brand new battery alternator was
tested and good. I checked all the
grounds coming from the battery and
they are all tight. Any help eould be
greatly appreciated