I HAVE A FLUKE 77 I WOULD LIKE TO CHECK<br />THAT THE ENGINE AND THE TACH IS THE SAME<br />WHAT SHOULD I SET THE 77 TO GET A GOOD READING TO MAKE SURE THE TACH ON THE BOAT<br />IS THE SAME.<br />NEED HELP<br />REX A. HUBBLE<br />P.S. THE ENGINE IS A 1966 65H.P. SO I HAD TO USE A JUMPER I JUST WOULD LIKE TO CHECK IT OUT AND MAKE SURE IT RIGHT.
