Rev counter

[mark]

Im running megajolt on my engine and its all up and running

The wiring is 99 percent complete but im having trouble with the rev counter, im using the standard sierra instrument panel. With the old set up the rev counter was driven from the coil but now thats gone how should i wire it?

There is an output on the megajolt but this does not work my particular rev counter for whatever reason, the megajolt instructions suggest that if this output doesnt work to try pin x (cant remember no. of top of head) from the edis 4 module. The pin they suggest is in the module itself but not the connector, before i drill through the connector has anyone got any ideas if this will even work.

If not i will get an auto electrician to have a look, its definately possible as spuds car has the same set up. I just cant see how its done on his as the loom is all taped up and fastened to his car