1996 Evinrude 112 spl - Last outing, tach went inop....and I live by my tach!!! Talked with a few local folks about the problem...and ordered a new tach. Installation per instructions and still does not work.
Looked in the manual and I could not find a troubleshooting procedure for a tach indicating system. I have a digital multi-meter and electrical knowhow....however I fell short of finding the problem. Can I impose on you experts to give me a hand in troubleshooting?
I am guessing the stator puts out an electrical signal (AC or DC???) that varies with engine (flywheel) rotation. I just need to know what exactly to check for, and where (at least I hope it?s that simple).
Also, the old tach had a resistor between the "send" terminal and ?ground? posts however, the instructions did not call for this resistor, nor did it come with a new one.
Thank you in advance for your time and expertise.
Looked in the manual and I could not find a troubleshooting procedure for a tach indicating system. I have a digital multi-meter and electrical knowhow....however I fell short of finding the problem. Can I impose on you experts to give me a hand in troubleshooting?
I am guessing the stator puts out an electrical signal (AC or DC???) that varies with engine (flywheel) rotation. I just need to know what exactly to check for, and where (at least I hope it?s that simple).
Also, the old tach had a resistor between the "send" terminal and ?ground? posts however, the instructions did not call for this resistor, nor did it come with a new one.
Thank you in advance for your time and expertise.