i just recently got my da back from the junk yard... cus it got stolen... when i start to drive it pass 20 mph the speed gauge startes to flicker up and down.. so i cant tell how fast im goin... does anyone know how to fix it.. can u please tell me how.. pix of how to do it will help alot.. thanks..

 

Check the connection on the vehicle speed sensor located on the tranny..

Pull the plug and check and make sure the 3 prongs are intact.