View Single Post
rick-l rick-l is offline
Registered
 
Join Date: May 2002
Location: St Louis
Posts: 4,211
Quote:
Originally Posted by kostya.lyt View Post
On another note, the tach and the "shift" arrow are both dead. Every once in the while the needle jumps up and then right back down. I'm assuming the signal comes directly from the ECU, right?
The ignition signal (3 pulses per revolution) and the fuel injector pulse width go into the tach (microcontorller) to control the dial and the light.

+1 on checking the temp sensor. Is a basic tune up in the works?
__________________
Rick
88 Cab
Old 12-20-2013, 12:13 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #6 (permalink)