The wiper system on your Hummer is very complicated, you will need a scan tool to diagnose it, if the dealer will fix it for $500, you may be money and time ahead, but if you want to attempt it yourself I will step you through the procedure, but you will need a scan tool and a test light, let me know what you want to do. You can purchase these tools on this site.
SPONSORED LINKS
Monday, March 23rd, 2009 AT 12:16 PM