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PostPosted: Tue Oct 07, 2003 11:44 pm 
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Spends Too Much Time Under The Hood

Joined: Mon Oct 28, 2002 10:33 am
Posts: 216
Just wanted to post the fix i found for the tach not working in my swap, don't know if it's been posted yet or not but here it is anyway. When i did my swap i used a 92 harness and coil packs ect, and a 90 ecu. Did the two wire swap on the ecu (air flow and idle switch.) and wired up the 15 pin and 4 pin connector, no problems. But tach didn't work as usual, because of the lack of a tach filter. Took the tach adaptor from a 90 coil pack (NT, turbo 1.6/2.0 all the same) here's a pic http://www.ecanfix.com/~mdhamilton/imag ... AGE002.jpg

Wire the two inputs red and white to the coils and send the yellow output wire to pin #3 (white) on the 15 pin connector (C-19). And now i have a tach. Hope that helps some one. 8)


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PostPosted: Wed Oct 08, 2003 2:16 am 
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4g61t Delinquent
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Joined: Wed Dec 25, 2002 7:44 pm
Posts: 1739
Location: Hesperia, CA(In the Mojave desert)
i think this would help out alot of people who have a non-working tach :)

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I own a CSM.
I live my life 1 repair at a time.
Nothing matters...not my crew...my bills, nor my friends drama...
For those 10 months or less... I'm broke...


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PostPosted: Wed Nov 10, 2004 9:37 pm 
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CSM Expert
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Joined: Sat Nov 10, 2001 7:00 pm
Posts: 840
Location: St.Louis, MO, USA (In the middle)
Some of this might help too

http://www.ecanfix.com/~mdhamilton/ecuconversion.html

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Adam
93'FD Touring non-seq
05'WRX


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