T/c Mod Help
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Elder User
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From: N. Georgia
T/c Mod Help
I want to put a Torque Converter Lockup Switch on my truck. Here's the problem, all the instruction don't describe my truck. I have 5 connectors on the driver's wheel well, not 4. You can't see the wires on the top of the transmission because they are wrapped in metal tape. I have yet to find a purple wire with a yellow stripe.
I would be gratefull for any help ya'll can give me on this.
Joe
I would be gratefull for any help ya'll can give me on this.
Joe
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Originally Posted by JOE-M
I want to put a Torque Converter Lockup Switch on my truck. Here's the problem, all the instruction don't describe my truck. I have 5 connectors on the driver's wheel well, not 4. You can't see the wires on the top of the transmission because they are wrapped in metal tape. I have yet to find a purple wire with a yellow stripe.
I would be gratefull for any help ya'll can give me on this.
Joe
I would be gratefull for any help ya'll can give me on this.
Joe
Hi Joe
The connector that you are looking for is grey in color, and will be the one closest to the front of the truck of that row of connectors. It will have only one violet/yellow wire in it. Hope this helps.
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Originally Posted by handyman43358
What do you do to this wire to control lockup? Splice into it and then run it up to a toggle in the cab?
Take a look here: http://pages.prodigy.net/stevebaz/_i...az/index3.html
It's everything you ever wanted to know about MODs. Enjoy.
Postmaster
Joined: Aug 2004
Posts: 2,908
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From: West Mansfield, Ohio
I liked the site but didnt find anything on torque converter lockup switches, and what wires to tap into. Do you have any ideas on how this is done?
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Elder User
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From: N. Georgia
Originally Posted by handyman43358
What do you do to this wire to control lockup? Splice into it and then run it up to a toggle in the cab?
<TABLE class=tborder cellSpacing=1 cellPadding=4 width="100%" align=center border=0><TBODY><TR title="Post 2978203" vAlign=top><TD class=alt1 align=middle width=125>handyman43358</TD><TD class=alt2>I liked the site but didnt find anything on torque converter lockup switches, and what wires to tap into. Do you have any ideas on how this is done?</TD></TR></TBODY></TABLE>
If you'll tell us what year your truck is we can help you better. I have an '02 and this is the one I can tell you about.
Joe
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Postmaster
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From: West Mansfield, Ohio
Sorry bout that. I'm actually in the wrong forum, I have a 95 f-150 but I have the E4OD tranny. I did a search and found somethin in this forum so I posted.
What I really want to do is have a 3 way toggle switch, where one postion is computer controlled (normal), another is unlocked, and the other is locked up.
I guess first off I need to find this wire. Second of all I might actually need two toggles. Heres why. If I cut the wire in two and extend them to one toggle, to enable computer control, then that would work for that. One position would be computer controlled, and the other would be unlocked (since that wire was completely interrupted.) The other toggle would be spliced into either the input or output to the computer controlled toggle with a ground to enable lockup.
Any of this making sense?
Chad
What I really want to do is have a 3 way toggle switch, where one postion is computer controlled (normal), another is unlocked, and the other is locked up.
I guess first off I need to find this wire. Second of all I might actually need two toggles. Heres why. If I cut the wire in two and extend them to one toggle, to enable computer control, then that would work for that. One position would be computer controlled, and the other would be unlocked (since that wire was completely interrupted.) The other toggle would be spliced into either the input or output to the computer controlled toggle with a ground to enable lockup.
Any of this making sense?
Chad
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From: West Mansfield, Ohio
Or actually, If I just have the computer controlled toggle, I wont need the other switch to keep it locked up correct?, because I dont want it to be locked up all the time, I actually want it to be unlocked until I lock it up myself. And when that wire comes back into contact with the toggle, the computer will lock it up. I guess all I need to know here is where this wire is, and if that wire is completely cut in half, will the TC not lock up?
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From: N. Georgia
I don't want to tell you which wire to tap into on your year truck because I don't want to lead you wrong. I'll let someone else tell you that. You need to go here: http://www.forgotton.net/frame.html and look at this. If you want to put it in with one switch and one light (switch down= T/C locked up by PCM= light on, switch up = T/C manually locked up = light on, light off = T/C not locked by either), let me know and I can help you with that.
Joe
on edit: click on F-350 and then scroll down to Torque Converter Lockup Mod
Joe
on edit: click on F-350 and then scroll down to Torque Converter Lockup Mod
Last edited by JOE-M; Sep 20, 2005 at 08:17 PM.
Postmaster
Joined: Aug 2004
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From: West Mansfield, Ohio
I guess all I need to know is where that that perticular wire is, and if it is cut in two, if the torque converter will stay unlocked. One position of the switch will be normal operation by the computer. The other will be cut off, and hopefully no locking up of the torque converter.
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Elder User
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From: N. Georgia
Unless you want to have 2 lights you don't need to cut the wire at all, just tap into it. I don't understand why you would want to wire it so the T/C wouldn't lockup ever? I'll try to write up how I did it with one light while at work today and post it tonight. Even if you don't want any lights I suggest having a light in line while installing it because you can make sure you have the right wire and can test the mod without the truck runnig.
Joe
Joe
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Originally Posted by handyman43358
Or actually, If I just have the computer controlled toggle, I wont need the other switch to keep it locked up correct?, because I dont want it to be locked up all the time, I actually want it to be unlocked until I lock it up myself. And when that wire comes back into contact with the toggle, the computer will lock it up. I guess all I need to know here is where this wire is, and if that wire is completely cut in half, will the TC not lock up?
Warren
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From: West Mansfield, Ohio
I dont want to lock it up myself, and I dont want to keep it unlocked all the time. I want to keep it unlocked until I get midway through 3rd gear b/c as of now, when it shifts into 3rd, the torque converter locks up at the same time, which causes a 1100-1200 rpm drop, which boggs my worn out engine down. I want it to shift into 3rd without the torque converter locking up at the same time, and then once I gain a few more MPH's in 3rd, flip the switch to let the computer take over.
For one thing I dont let anyone drive my truck, and even if I do, I will tell them to keep the switch engaged to allow complete computer control. If I sell the truck (which I dont plan on doing)I will give the buyer an option to either keep it with the switch or I will rewire it myself. Being an electrician, I know these things.
The only thing I need to know now is which wire it is...
For one thing I dont let anyone drive my truck, and even if I do, I will tell them to keep the switch engaged to allow complete computer control. If I sell the truck (which I dont plan on doing)I will give the buyer an option to either keep it with the switch or I will rewire it myself. Being an electrician, I know these things.
The only thing I need to know now is which wire it is...