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> how to install a SAFCII in a 94 GT
post Mar 8, 2005 - 8:17 AM
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presure2



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hey all installed my SAFCII today, figured id make a quick writeup on it, for future refrence...so, here it goes.
youll need:
10mm wrench to remove battery cable
good soldering iron with good solder
wire strippers
electrical tape
14mm socket, wrachet and extention to take out your seat if you want to.

To wire in the SAFCII is actually really simple, it just a handfull of wires that need to be tapped into and one that needs to be spliced.
So, lets get started.
DISCONNECT THE NEGATIVE BATTERY CABLE!!!!!!!!!!!!!!!!!!!
first you need to get crunched up in a ball, and wedge yourself into the little space in front of your passanger seat, look behind your center console, and find your ECU...if you cant find it, or dont know what a ECU is, STOP! you shouldnt be installing this!! hahah...or you can just take your seat out, its only 4 bolts...makes it much easier, lots more room to strech out and be confortable.
you'll have a 26pin connector, a 16pin connector, and either a 12 or 22 pin connector depending on weather you have a manual or automatic, (looking from left to right.)
pull out the 3 connectors, and reach behind the console and unplug the remaining connectors, and free up the harness so that you can have some room to work.

now, take the 26pin connector in your hand, look closley at the wire side..you'll notice they have a number on each corner of the plug, coresponding to a pin # on it. find the #1, and from there follow to pin # 3 which will be a black wire with yellow stripe. this is your RPM wire(ignitor) take your wire strippers, and about 3 or 4" from the ECU, just strip back about 1/4" if the covering, without cutting the wire.
take the green wire from the SAFC harness, twist it around the blk/yel wire, and solder it in place, then tape it up.
next find pin # 14 on the same 26pin connector. its a brown wire. this is your ground. your gonna connect 2 wires to this wire so take your wire strippers, and again strip back about 1/4" of the covering 3 or 4" from the ecu. take the BROWN wire from the SAFC, twist, solder, tape. then about another 2 or so inches back strip another 1/4" section of covering from the same wire. take the BLACK wire from the SAFC and twist, solder, tape. THE GROUND HAS TO BE HOOKED UP THIS WAY!!!! we're done with that connector.
take the 16 pin connector, find the #'s again. find pin #2. its a grey wire with black stripe. this is the map sensor. about 4" back from the ECU cut the wire and strip back about 1/4" from both sides. take the side of the wire that comes from the engine bay, and twist it together with the white wire from the SAFC, again, twist solder tape. then take the ecu side of the wire, connect with the yellow wire from the SAFC twist, solder and tape.
next , find pin# 11, its a black wire with white stripe. thats your TPS sensor. strip back about 1/4" of the wire covering, take the grey wire from the SAFC, twist, solder, tape.
next, find pin# 13 its a clearish white wire, thats your knock sensor. strip back about 1/4" of the wire covering, take the purple wire from the SAFC, twist, solder, tape. we're done with this connector.
now if you have a manual, take the 12pin connector (22 if its a auto) find the #7 pin (#12 for auto) its a black wire with yellow stripe. strip back about 1/4" of the wire covering. take the red wire from the SAFC, twist, solder, tape.
THATS IT. reconnect all the plugs, plug the SAFC into the harness,and reconnect the battery, but DO NOT start the car yet. put the ignition in the "on" position make sure nothing is burning or smoking..lol then follow the setup directions in the SAFC manual. ENJOY!! biggrin.gif
feel free to hit me up on AIM or whatever with any questions you might have, happy to help!
manny


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post Mar 8, 2005 - 8:35 AM
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Fietsbel



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Offtopic:
What is the benefit of using a SAFCII ?
I know that you can control the A/F ratio with it but does it affect the performance a lot?

This post has been edited by Fietsbel: Mar 8, 2005 - 8:35 AM


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post Mar 8, 2005 - 8:51 AM
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presure2



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ive read posts where people have said you can gain like 8-10 hp on a n/a car, but i cant conferm it, right now its just a glorified gauge for me till i get my turbo stuff installed, then im gonna be using it to control my injectors.
i just installed it to see the knock response n/a for comparison for when i have the turbo in.


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post Mar 8, 2005 - 9:02 AM
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Silver94CelicaOw...



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Good write-up Manny....very easy to follow. I'm still considering throwing one on my car at some point just for some extra power and throttle response, but I'm wondering how much extra power can be had from it in N/A trim.

I'd be happy with 8-10 horsepower....can anybody support those numbers??


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post Mar 8, 2005 - 10:00 AM
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I vote this to become a locked sticky. Can we clone this post and leave it open for discussion also?

Great job manny! I will be putting this to good use!


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post Mar 8, 2005 - 8:05 PM
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presure2



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silver, bryan, thanks. i 2nd the sticky motion! wink.gif


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post Mar 9, 2005 - 3:48 AM
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did it affect your car so far.. I know its not tuned.. but does it affect your car even though it is not tuned..
post Mar 9, 2005 - 6:16 AM
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hanyo...theres nothing for it to really affect..its just a glorified gauge at the moment...i havent changed anything, setting wise, that would affect the engine.


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post Mar 24, 2005 - 8:30 AM
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hey guys finally got a couple pics of it all installed, so i figured id bump this for that wink.gif
user posted image


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post Mar 24, 2005 - 8:36 AM
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Hey you ripped us off. You said COUPLE.


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post Mar 24, 2005 - 8:43 AM
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BLINKYxMUNKEY



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ive heard its a beotch getting the right settings on those.


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post Mar 24, 2005 - 8:56 AM
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Why do people keep putting them there? You can't see the speedo....

Great write up, I'm sure it'll get used a lot.

As far as this being your fmu goes...you may run into problems. If you hack the AFC, it can work. Not as well as an e-manage and not as reliable, but far cheaper.


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post Mar 24, 2005 - 10:06 AM
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actually, ive found it really easy to use,...then again, i havent messed with any fuel settings...right now its just a glorified gauge, till the turbo goes in. and as far as being able to see the spedo, the pics are kinda deciving, the way its mounted, i can see everything over 20mph...who needs to see under that anywauy wink.gif


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post Mar 24, 2005 - 12:52 PM
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Does that say your knock count is 5?
post Mar 24, 2005 - 1:07 PM
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in that pic, yes is does, although i dont think i let the car warm up enough when i calibrated it. ive had it peak as high as 225 on a WOT run from 2nd to 5th..lol
wink.gif


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post Mar 24, 2005 - 4:45 PM
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QUOTE
Why do people keep putting them there? You can't see the speedo....

heres a better pic that shows more of what i see...
QUOTE
Hey you ripped us off. You said COUPLE

ok bryan, here ya go! hehe wink.gif
user posted image
user posted image


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post Mar 25, 2005 - 12:50 AM
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Thanks a bunch for this. Im Now im not afraid to put it on. As soon as i get it im guna hook it up. This way my car will be a little more ready for the 5sfte project.

Once again thanks. AND yes this should be sticked.
post Mar 25, 2005 - 1:07 PM
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urban: thanks man, it is pretty easy as long as you have basic soldering skills, take your time, and do things properly. (IE: have PATIENCE!!)hhahaha wink.gif


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post May 22, 2005 - 6:06 PM
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QUOTE(presure2 @ Mar 8, 2005 - 1:17 PM)
now if you have a manual, take the 12pin connector (22 if its a auto) find the #7 pin (#12 for auto) its a black wire with yellow stripe. strip back about 1/4" of the wire covering.
[right][snapback]254579[/snapback][/right]


Installing on my 95 gt 5spd i found that i had a 22pin connector (supose to be on a 94 auto) and like the auto the #12 pin was the black and yellow striped wire.

post Feb 26, 2007 - 10:53 PM
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Just thought I'd add that my 98 GT also had a 22 pin connector rather than a 12 pin. The #12 pin thats black/yellow on the 94 is red and black on the 98. Also, the map sensor wire on the 98 harness is blue but it's in the same spot.


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