I have a 64 El Camino with a Muncie 4 speed, M 21.   Just had it rebuilt at Cottsman.   Was recommended to me.   After getting the car back from rebuilt transmission, my speedo does not work.
 
I replaced the cable, and still nothing.   I see the old cable worked ok, once I removed it.
 
With my cable it is a screw on cap at both ends, so not hard to replace.   Just can not figure why the speedo does not work after having the transmission rebuilt.  yes it did work before the transmission work.    Will be talking to them today.
 
So I too need help with the Transmission and Speedo cable too.
 
Thank you  All,
 
Kelly

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