It serves the instruments; the lights, directionals, etc are on separate 12v circuits.
The only thing that the circuits may share is the ground...
: Does anyone know where the voltage
: stabilizer is located. My GT6 did not
: pass state inspection yesterday because
: when my turn signals are on, the
: headlights, the parking lights all
: flicker. I suspect it is the voltage
: stabilizer but not sure since my
: alternator is charging at the correct