Speedometer Jumping around

[nismosil40zx]

I have a s13 sr20det w/ ka tranny and sr bellhousing my speedometer on my gauge keeps jumping all over the place could that be a bad vss on the tranny or gauge.? ANY IDEAS

[Jakob]

i have the same problem on my s14 i have an sr20... its my gauge... try to hook up another speedo to the calbe coming from your ecu
i have a turbotimer that shows me my rpms so its my gauge

[mwilloughby87]

i have the same problem but i was under the impression that its the speed sensor?

[johngriff]

It is the gauge.