v3.0 fan control mod - Miata Turbo Forum -Boost cars, acquire cats.

Welcome to Miataturbo.net   Members

MEGAsquirt A place to collectively sort out this megasquirt gizmo

LinkBack Thread Tools
Old 01-25-2008, 08:04 PM   #1
Thread Starter
Join Date: Oct 2005
Location: Honolulu, HI
Posts: 27
Total Cats: -1
Default v3.0 fan control mod

Can somebody explain in detail the board mod to control the fan(s)? I saw the diagram in the sticky but i don't get it.

Finally got it started and idling. Everything working great so far. Just need to do some tuning and fix a couple of small things.
ryry is offline   Reply With Quote
Old 01-25-2008, 08:14 PM   #2
I'm Miserable!
iTrader: (5)
bryantaylor's Avatar
Join Date: Dec 2006
Location: jacksonville, fl
Posts: 1,720
Total Cats: 0


this might help some
bryantaylor is offline   Reply With Quote
Old 01-25-2008, 08:22 PM   #3
Boost Czar

iTrader: (60)
Braineack's Avatar
Join Date: May 2005
Location: Chantilly, VA
Posts: 69,648
Total Cats: 1,356


basically, you ground the transistor (sorry i didn't label it).

then the middle leg goes to JS0 through a 1K ohm resistor.

then the third leg goes to D9 through it's own diode.

between the third leg and your diode, go to your harness output.

connect that output to the fan lead on your harness. (1R)

that's it, the parameters are under more setting > shift light / fan control

enter in the temps you want the fans to turn on and off.

make sure JS0 is set to fan control under Basic settings > codebase outputs
Braineack is offline   Reply With Quote
Old 01-27-2008, 01:55 PM   #4
Thread Starter
Join Date: Oct 2005
Location: Honolulu, HI
Posts: 27
Total Cats: -1

Now I get it. Thanks!
ryry is offline   Reply With Quote

Related Topics
Thread Thread Starter Forum Replies Last Post
My solution for Oiltemp and Oilpressure input into Megasuirt (MS3) Zaphod MEGAsquirt 41 01-24-2016 12:25 PM
1991 special edition with hard top full part out JC, NJ russian Miata parts for sale/trade 6 10-08-2015 03:01 PM
Back to Stock Part Out!! Turbo Parts, MS2 Enhanced 01-05, Suspension, and MOAR! StratoBlue1109 Miata parts for sale/trade 16 10-02-2015 09:39 AM

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

All times are GMT -4. The time now is 09:55 PM.