Two Signal Input Options (Connect to coil or tachometer signal on ignition box; tach adapter not required)
Rated 2 out of
pete v from
second one works fineI installed the unit only to find out the tach input (green wire) was shorted to ground. I shipped it back and the replacement works as designed. It did cost me ten bucks to ship it back. The unit is a little slow with the needle movement but the rest of the features seem ok.