Eric, your grounding cable improves my air-cond, not it is not cool, but chilling!! Overall, 2 thumbs up and 2 big toes too!!

Good stuff from Eric - GC+VS- now my car voltage is very consistent and didnt shake one bit during idling....

WOW! hope u doing well eric, I installed mine last year, good stuff and most important is reasonable price...BUMP for TS

As promised bro Eric, my review on a 2nd hand more than 10 years car - overall nothing special happen, as my air cond is already freaking cold, lights are ok...but notice 3 things improved - morning start my car is easier, smoother acceleration and change gear is smoother....btw this is my 2nd set of VS+GC from Eric...my 1st car been using Eric's VS+GC for 3 years, and the VS is still working fine...somehow i believe my 2nd car need to installed this..Ohh and i will contact u later Eric..keep in touch