Hi Guys, I have a problem where the Proparts SPEK 11,000 rpm tach, it does not want to go over 8800 rpm, when I set the max rpm in the progauge software,
Do I need to wire the White(dimmer) to the 12V ?
I haven't connected the the white wire (dimmer) only the green to rpm - red to 12V and Black to ground
I've been hearing about changing to 8 cylinder how do I do that please