View Single Post
timmy2 timmy2 is offline
ROW '78 911 Targa
 
timmy2's Avatar
 
Join Date: Jul 2011
Location: Salem, OR
Posts: 10,217
Garage
Test the tach wire from the back of the gauge to the output of the tach adapter for continuity with a meter. If it is good, then as someone else mentioned you may have a bad tach if you connected it to the coil.
(Long jumper from meter leads to reach back of tach wire required)
__________________
Dennis
Euro 1978 SC Targa, SSI's, Dansk 2/1, PMO ITBs, Electric A/C
Need a New Wiring Harness? PM or e-mail me. Search for "harnesses" in the classifieds.

Last edited by timmy2; 06-21-2015 at 03:51 PM..
Old 06-21-2015, 03:49 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #15 (permalink)