IF HE DIDNT TEST IT THEN IT WONT HOLD UP. IF U ROLLED UR WINDOW DWN SO HE COULD TEST IT THEN I WILL NEG REP YOU. U ARE SUPPOSED TO HAVE UR FUSE EASILY ACCESSIBLE FOR WHEN U NEED TO ROLL UR WINDOW DWN OR TAKE UR CRANK HADLES OFF SO U CANT ROLL UR WINDOWS DWN IF U KNOW UR TINT IS ILLEGAL. LOL!!!