If all there are is just electrical plugs, then it's not cable...

If there is a big cable run directly to behind the speedo, usually with a screw connector to secure it.

You will see a cable similar to this screwed to the back...


Goin' Round Traffic Circles @ 50Km/h!!! \m/ -- 1998 E0 SVT #2119 of 6535 \m/ -- 2003 Sentra SE-R Spec V