A 1994 Plymouth Sundance/Duster does not use a speedometer cable. Instead, it uses a Speed Sensor located on the transmission.
Unhook or screw from the back of the speedometer and the side of the tranny
if it's the speedometer cable you just unhook the cable from in back of the speedometer head in the dash by unscrewing it and taking it off and on the transmission it also unscrews and then just pull the complete cable out and replace with a new cable.
Under the hood of car
There are several things you can do to repair your speedometer. You can replace the speedometer cable. You can replace the speed sensor in the transmission.
Loose or failing speedometer cable Speedometer head needs repair
If the speedometer is not working it probably needs a new speedometer cable. If the speedometer is actually broken either take it to as speedometer repair shop or replace it.
Actually , it doesn't have a conventional speedometer cable , it has an electronic speedometer and a vehicle speed sensor ( VSS ) according to my Haynes repair manual
A 1995 Jeep Grand Cherokee does "NOT" have a speedometer cable. It has an electronic speedometer with a built in motherboard. It receives its signsls from sensors on the transmission and the transfer case.
It is possible that the speedometer on a 1997 Plymouth will only work intermittently because the gear is worn out. Sometimes dirt can get up into the area where the speedometer cable is housed and cause excessive wear to the gear.
To repair the speedometer on the 2003 Suburban, first check to see what is causing the malfunction. You might need to replace a fuse or even the cable.
one end is hooked to the back of the speedometer behind the dash and the other end is hooked to the transmission.
If speedometer working--probably needs new head or repair If speedometer not working could be a bad cable