Sunday, December 30th, 2007 AT 7:12 AM
I just bought a used 2004 Dodge Ram. The battery was dead when I wanted to test drive it so the dealer jumped it off. Everything worked fine while test driving. While negotiating, they had a new battery put in it. When I left the speedometer, odometer, and the overhead digital mpg monitor were not working. However, the tachometer is working. Any ideas what is wrong. Thanks!

