× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Tach needle flips around on Supercharged Buick
Posted to Technical Discussion Forum on 2/19/2004

[...trimmed text...]

We have had it happen on gas gauges on Park Avenues. One we had today had a weak battery, While cranking with the weak battery the needle would get real twitchy and jump over, like Rich mentioned the ... Login to read more.