Jim Grant's Tech Tips
Toyota Celica, Where's the Speedo Cable?
Where can I find my odometer cable under the hood on a 97 Toyota
Celica convertible Limited Edition?
What youre looking for are your speedometer wires. There are few
vehicles made today that have a speedometer cable. If you look on the
back of the transaxle youll see three wires coming out of a signal
generator. Theres your speedometer wires. The speed displayed on
your dash is the result of an electrical signal that is translated into
a speed reading by a module on the back of the speedometer.