How To Control TCC Lock Up
Elder User
Joined: Oct 2006
Posts: 840
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From: Poquoson Va.
Just being funny. Im a machinist by trade and when I do my own electrical work I make darn sure. Thats all. Im going to buy a 2 pole switch and run the P/Y wire to it. I re read post #2 and got it then, along with th attached drawing. Good information on this site and Im still learning this computer control stuff.
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Senior User
Joined: Nov 2002
Posts: 294
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From: Central Coast, California
I'm just curious as to why ford designed the E4OD to have soft car like shifts? These trannys are in trucks and I would think they would have higher line pressures? I remember my 94 4R70W as having decent firm shifts. It's also interesting that on the E4OD and 4R100's at least to what I have noticed is the Torque Converter engagement at the same time as a shift. Any how Thanks for the replys.
Oh ya Sub ford Just curious were you are finding these cool electriacal diagrams. We have ALL data at the Diesel shop but I havent been able to find anything as extensive as yours.
Just a FYI My buddy at work has a 2000 F-250 Diesel and we researched the tcc wire on his and it still is a pink with yellow tracer according to all data.
Oh ya Sub ford Just curious were you are finding these cool electriacal diagrams. We have ALL data at the Diesel shop but I havent been able to find anything as extensive as yours.
Just a FYI My buddy at work has a 2000 F-250 Diesel and we researched the tcc wire on his and it still is a pink with yellow tracer according to all data.
Fleet Owner
Joined: Aug 2005
Posts: 23,667
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From: Easton,Ks
Originally Posted by John with beastly 302
Oh ya Sub ford Just curious were you are finding these cool electriacal diagrams. We have ALL data at the Diesel shop but I havent been able to find anything as extensive as yours.
The diagrams & charts in post #11 are from this URL:
9497faq/maint/vra/vra06111.htm#vra06techart
But they copied it from the 1994 Powertrain Control/Emissions Diagnosis OBD I manual.
1994 PCED OBDI Section 6A: EEC-IV Pinpoint Test Procedures, TE--Transmission Fluid Temperature (TFT) Sensor Index, INTRODUCTION.
You can get your own Electrical & Vacuum Trouble-Shooting Manual OR Powertrain Control/Emissions Diagnosis OBD I manual from:
HELM INC
http://www.helminc.com/helm/welcome_select_oem.asp?Style=&mscsid=S9J7NRVLB7H89 L9LL8LE2648HQH58Q57
Last edited by subford; Jun 8, 2007 at 07:48 AM.
Fleet Owner
Joined: Aug 2005
Posts: 23,667
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From: Easton,Ks
Originally Posted by 351slug
I cant find the Pink/yellow wire coming out of EEC. Found a peach and yellow and that wont it. Looking at the EEC , where about should that wire be ? Sorry for so many questions.
http://i54.photobucket.com/albums/g91/subford/Electrical/EEC%20PCM/19935.gif
But you should be able to find it up on the fender in plug C103.
C103, 5.8L LH side of engine compartment, top of wheel well Terminals:04 Color: BK.
Here is a link to a diagram of C103.
http://i54.photobucket.com/albums/g9...n/1993C103.gif
Last edited by subford; Jun 9, 2007 at 02:04 PM.
Elder User
Joined: Oct 2006
Posts: 840
Likes: 1
From: Poquoson Va.
Pin 53 is Brown/yellow on mine, 93 F-150 351 W E4OD 4x4. I'll cut it and see. The other wire I cut I had too splice back.
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Fleet Owner
Joined: Aug 2005
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From: Easton,Ks
Originally Posted by 351slug
Pin 53 is Brown/yellow on mine, 93 F-150 351 W E4OD 4x4. I'll cut it and see. The other wire I cut I had too splice back.
Fleet Owner
Joined: Aug 2005
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From: Easton,Ks
Originally Posted by subford
I take it you have an E4OD so you would cut the circuit #480, a Pink wire with a Yellow stripe.
It should have read "circuit #480, a Purple wire with a Yellow stripe".
Sorry about that, I saw P/Y and miss-read it.
Pink would have been PK/Y.
Elder User
Joined: Oct 2006
Posts: 840
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From: Poquoson Va.
No problem, Just got back in from test run and that is it. Thanks for your research. Might burn a little more gas that way but pulls better and will just flip the switch back on for normal driving. That was a good learning experience. I cant imagine repinning for MAF conversion.
Postmaster
Joined: Oct 2006
Posts: 4,816
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From: Davis & Newcastle, CA
So let me get something straight here... A switch on this wire disables the TC from disengaging when you let off the throttle so it rides the gear down like a manual transmission would? The transmission can still shift gears right?
Fleet Mechanic
Joined: Sep 2003
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From: savannah,ga
you can get a lot of the wire info at www.fordfuelinjection.com
also test procudures for all the sensors
also test procudures for all the sensors