Sun Tach Problem

[72-SS-L48]

All connections are new and look good. I didn't replace any. How do you test the green wire from the coil? I know the coil is good since the car starts.

-Dave

[Plowman]

A quick way to check the green wire is with a test light and tapping the engine over a time or two. Test light should go on and off[not runing]. Not all coils are good since the car starts,some bad coils run out of spark and give a feeling like running out of gas. Could try another known good coil. The green wire should be on the negative side of the coil witch is also the distributor side. Hope this helps. Paul

[72-SS-L48]

The green wire makes the connectivity test light up when I tip the key. Still no tach works...

-Dave

[Plowman]

The test light should go on and off[not runing]. The tach works off distribtor pulses. Make sure it is on and off test light at distribtor wire[not runing]. Paul