Check connector pins under hood first for green corrosion, you can also test there direct, to go up , green positive, gray negative, to go down white positive , green negative
Mario
I am both mar86gn and mario987.Anyways contact me to see what you need done. I usually work the stock 86 87 chrome grand national wheels and the gnx style wheels.
Thanks, Mario
Sent from my SM-J700T1 using Tapatalk