12V or 6V?

I use these: http://www.speedwaymotors.com/Stainless-Deluxe-12-Volt-Electric-Wiper,38962.html

I've never had an issue with them going too high. Is your wiper arm positioned properly?


1946 GMC Pickup - S-10 Frame, 455 Buick, TH400, original patina.

My 46 GMC on Photobucket