Peterbilt Speedometer And Tach Not Working - I have a 90 that had the same problems with tach and speedo. If you wiggle the wire plug on the back they come back to life if held in the right position. I ended up having to take. We have noticed that the tachometer doesn't work at all and it looks like they just replaced it with a brand new one. I pulled the dash panel out (which i love how easy that is to. North Platte Telegraph Obituaries This Weekfav Event Invitations
I have a 90 that had the same problems with tach and speedo. If you wiggle the wire plug on the back they come back to life if held in the right position. I ended up having to take. We have noticed that the tachometer doesn't work at all and it looks like they just replaced it with a brand new one. I pulled the dash panel out (which i love how easy that is to.
