tach

Ok I'm having Selespeed limp mode issue where it also puts the tach & speedometer to death. The problem is not persist and seems to be happening only after the car is warmed up so I'm suspecting some dodgy relay (maybe ?) but prior to that I want to classify the problems first. So basically...

As the tittle says, help please

I have swapped out the innards of my mech tach and replaced them with the electronic gubbins out of a 75 tach. The new one has 3 wires, red yellow and blue. Blue I believe is ground, yellow signal and red power? Where is the best place to take the power feed from?? any one converted? Cheers

Hi anybody help me im trying to wire a 12v negative earth smiths tach to my kit car(alfasud engine) but everytime i connect the - side to it nothing its got elec ign anybody help help help....:confused:

I'm going to fit an alarm which requires the finding of a tach wire to monitor engine RPMs. Can anyone please explain to me how the twinspark ignition system is wired together(in terms of coil(s), distributor etc.) to help me locate what I'm looking for? I have a 2000 145 but I presume the...

I'm going to be installing a Clifford alarm in my 145 shortly and part of the install involves locating the tach wire. The instructions are as follows(it's a bit lengthly): Some newer vehicles do not have a conventional coil marked (+) and (—). In these instances, you will need to locate the...