|
12-12-2015, 08:03 PM
|
#25 |
|
Registered User
Join Date: Aug 2013
Location: Tecumseh
Posts: 355
|
Re: Acceleration problem
Green blue pcm grounds out the tach signal pin. Red blue pcm sends out a positive pulse. Tach needs a transition from high to low. So pullup resistor pulls pin to high level and every ignition pcm output grounds output pin to transistion and make tach read.
__________________
Current project 1959 Willys = GEZR TRUK Geezer is a Latin compound word made up of two roots. Gee meaning Urine Stain and Zer meaning your pants are open! FMCDH GBU and GBA http://www.youtube.com/user/aknovaman/videos |
|
|
| Bookmarks |
| Thread Tools | |
| Display Modes | |
|
|
Threaded Mode