we hace a speedo and tach that will work till u shut off car then they are dead - we can unhook battery and ground cables together and it will work again to u sgut off car - he have power and ground at speed sensor and gears are moving - tach comes from hall e...

FIX posted 9/13/2008

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle