MS2 R57 do i need it????
#2
Supporting Vendor
![](/mt2011/images_td/ranks/vendor.png)
![](/mt2011/images_td/ranks/supporter1.gif)
iTrader: (33)
Join Date: Jul 2006
Location: atlanta-ish
Posts: 12,659
Total Cats: 134
![Default](https://www.miataturbo.net/images/icons/icon1.gif)
R57 is a spot for a pullup resistor. Using it depends on what type of input circuit you plan to build and is optional. For MS3 on a standard miata, I set up CKP input through the VR circuit and populate R57 with a .5-1k ohm resistor (the exact value isn't terribly important within reason).
Additional info is found in the manual:
http://www.msextra.com/doc/ms3/ignition.html#tachint
Additional info is found in the manual:
http://www.msextra.com/doc/ms3/ignition.html#tachint
Thread
Thread Starter
Forum
Replies
Last Post
StratoBlue1109
Miata parts for sale/trade
21
09-30-2018 01:09 PM
Marc D
MEGAsquirt
14
10-18-2007 10:54 PM