How can I determine whether my speedometer is bad or if my speed cable is bad ?

 

Chad

 

thanks, can you explain the news print ? Please? Which end has the cable head ?

 

At the speedometer end. To see if the cable is broken disconnect it at the transmission and turn one end and see if the other follows.

 

If you determine the speedometer is at fault there are vendors advertising in Hemmings Motor News who repair them.

 

What is the issue, the needle is not moving or is jumping around? Or is the speedo reading too fast or too slow?

 

Or 'screaming'?? Proper diagnosis needs symptoms.

Cosmo

 

thanks shadyside

 

Needle is not moving. I did install a new speedometer/odometer in the dash. Needle just points straight down.

 

haha, speedometer isn't screaming, that's me you hear screaming lol

 

You will need to take the cable core out if you don't have a piece of core/stub to test the speedo with. Insert it into the back of the speedo and spin it with fingers or a drill to test the speedo. Easy problem (hopefully) is that the cable core isn't engaged in the speedo head.

 

on my way outside to do that

 

Inside the speedometer cable housing is a woven steel core. It's supposed to be lubed every so often, but most people are unaware.

When the lube dries out, the steel core binds up inside the housing and snaps.

Auto parts stores sell a 'universal' cable core kit. Cut it to length, coat w/a fine film of graphite, install in the housing.

 

thank you ND