Bad Speedometer?

[hole]

The speedometer on my deuce doesnt work so i took cable off trans and spun it manually forward and reverse with a cordless drill but still didnt work. Will Wagner was under the dash while i was turning the cable end and said he could feel it turning. Would we be correct that speedometer is bad?
Thanks Will

 

[WillWagner]

Will, pull the dash panel and see if the cable is going all the way into the head, maybe it's too short or broken. Also, look at the drive in the head to see if it's stripped.

 

[red devils dude]

pull the speedo out and turn the input by hand you can get it up to about 10mph that way.

 

[acetomatoco]

or use a nail in a variable speed drill and slowly turn the speedo input...to test speedo... Best to take cable off back of speedo and bring it out front so you can see it and take the truck for a ride and see if the cable is turning at the top end... sometimes the drive gear in the xfer case goes bad... ACE