If you are talking about the stock Tachometer, the connectors are in the Large white connector block at the top rear of the instrument panel. If you are installing an after market tachometer, you should be able to tie into the same wiring harness.
Note: The dash is a Brick wall to get through. Don't try to Houdini your fingers up behind the dash. They may disappear forever, or you may have to call 911 to get unstuck. There ain't no way to get back there. Save yourself time and frustration. Take it apart.
You would hook to the negative side of the coil. Some HEI distributor caps are marked "tach".
how do you hook up a sunpro super tach 2
to hook up the tach use the hot lead on the disributor and to any good ground wire and if there is a light hook it to the wire on you light switch
if it is a hei ignition there is a place on the distributor cap that says tach.
where is the tach wire en Toyota tacoma 1999 4 cilinders
Since the coil is in the distributor, simply hook the tach 'trigger' wire to the out put on the side of the distributor cap marked 'tach'.
On the dist., cap, where the wires go in, there is a tab labeled TACH.
Hook it to the negative side of the coil.
The Mazda tachometer and the speedometer have separate cables. The tachometer cable probably does not work properly. Change the tachometer cable.
You should hook up the wires for a tach on a 1985 Chevrolet s10 blazer to the negative side of the coil. You should be sure to identify the positive and negative sides of the coil.Ê
green wire on aftermarket tachs are the signal wire i belive
need to know how to hook up the wires on the engine on F-150 pick up to make a pro tach rpm gauge work