Use an inductive pickup on plug-wire #1, and connected to tachometer located in vehicle.
if equiped its right next to your speedohmeter
It doesn't have a cable driven tach. It is electronic.
Remove the instrument panel cover. Remove the tachometer retaining screws. Remove the tachometer cable from the back of the tachometer. Reverse the process to install the new tachometer.
you need a tachometer
look at your trany it should have a wire going into it on the top side in the middle
check variable speed sensor located on transmission, electrical part
The Mazda tachometer and the speedometer have separate cables. The tachometer cable probably does not work properly. Change the tachometer cable.
The tachometer cable may be faulty. The tachometer sensor, on the side of the engine might not be functioning properly.
The tachometer wire on an ECU is typically purple in color.
The tachometer in my car measures the engine's revolutions per minute. The mechanic adjusted the tachometer to ensure the engine was running smoothly. The driver glanced at the tachometer to check if the engine was being pushed too hard.
You can perhaps buy a used portable tachometer by going on to www.amazon.com