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Old 04-24-2018, 05:34 PM   #1
Natertot01

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Torque Management Solved (for FREE)

Well I have finally came up with a solution for the dreaded torque management that has plagued us 2nd gen owners for decades, and best of all its free. It all happened by accident actually. I opened up my trans due to some funny shifting issues and found every screen inside it was full of metal shavings. Which obviously meant that they got past the filter but more on this later. I cleaned all the solenoids and sensors of the metal and the little screens that protected them along with installing a new filter and fluid. Everything was good for about 2 weeks then all of a sudden after i left a drive thu i lost all forward gears. I messed around with it for a little while (like 4 hours) trying to figure out what happened. If I let the truck sit for a minute or 5 off i would get line pressure and could move the truck about 200 ft before losing all gears again. However when i would lose all forward gears and the truck was stationary i would only be able to rev the truck to 2000 rpm (basically felt as if it was in neutral) but if it was in park or neutral i could go balls to the wall 3700. So after quite a while a friend towed me home and i couldn't find anything on what my problem was. There were only about 5 forums were people had the exact same symptoms. One of them suggested it was a clogged filter and everything settled back into the pan after being off for a few minutes. So $6 later in a new filter and some new fluid i had laying around it was once again going better than the day i bought the truck. This is when i began thinking of the weird rev to 2k in drive but 3700 in N or P. I also noticed when trying to do a burnout or 4x4 launch in the past 2 years of owning the truck i could only build up to 2000 rpm before it started cutting fuel, then upon launch it would start bucking (I'm sure we've all been there) then pull like a mule.



This led me to my idea, I crawled under the truck today and pulled off the connector to the neutral/reverse switch and found out which pin is for the neutral safety switch (its the top 2 pins). I then shorted the 2 wires together with a paperclip and went for a test drive. The truck went through the gears no problem 1-2-3-3lock-4-4lock as it would normally at all throttle positions, the lock-up switch still performed as it did before. I went into an abandoned dirt parking lot, put it in 4x4, and began to mash the brake and accelerator. The truck very quickly got to about 2500 rpm and about 30-35 lbs of boost. At this moment i knew it had worked. I built boost again and launched the truck, I had full fuel off the line with no bucking whatsoever, next I did a burnout with the same result. The only problem i ended up having is after about 20-30 minutes the truck threw a p1899 code for the switch being shorted which defaulted the computer and turned TM back on. However if you put it on a toggle switch you would be able to turn off TM at any time, and shut it back off before the computer knows while retaining all your gauges vs other options out on the market. Also if the neutral switch is "On" you will not be able to use cruise control so a switch would be the best option.



I still have some more testing to do but this fix has worked every time I have tried it so far. This was my experience with my own experiment on my truck, if you would like to attempt this you do so at your own risk. It fuels fast and it fuels hard. If you have any questions feel free to ask
 
Old 04-24-2018, 09:48 PM   #2
59turbo

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Great find!
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Old 04-25-2018, 06:34 AM   #3
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I love $.15 wizardry.
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Old 04-25-2018, 07:03 AM   #4
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I wish I would've thought to try this when I still had a VP, awesome find! Let us know how it works out with the switch.
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Old 04-25-2018, 08:01 AM   #5
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Can't get this to work with my 97? What's up with that?
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Old 04-25-2018, 08:27 AM   #6
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I wonder if instead of just shorting the switch there is something you could put inline to make it see the signal it is looking for.

.
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Old 04-25-2018, 08:32 AM   #7
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Quote:
Originally Posted by imelmo View Post
I wonder if instead of just shorting the switch there is something you could put inline to make it see the signal it is looking for.

.

I had a BD RAD box on my 24v that cut the torque management- the only problem was you would lose everything on the dash and have a CEL after you flipped it off.
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Old 04-25-2018, 09:15 AM   #8
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Quote:
Originally Posted by Timbeaux38 View Post
I had a BD RAD box on my 24v that cut the torque management- the only problem was you would lose everything on the dash and have a CEL after you flipped it off.
Same here but after you cycle the key a few times it would go off, honestly that was probably the best $100 I ever spent on that truck 😂
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Old 04-25-2018, 09:46 AM   #9
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Same here but after you cycle the key a few times it would go off, honestly that was probably the best $100 I ever spent on that truck 😂
the loss of the tach was rather annoying, but it was still worth it.
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Old 04-25-2018, 12:14 PM   #10
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Now see that on my 02 the rad box keeps the gauges but set the cel..after 3 satrts it goes off...but i alwys wondered why i dont lose my TACH OR SPEEDO..DONT RECALL THE REST OF EM ...yaay for me
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Old 04-25-2018, 12:15 PM   #11
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good find tho..ez to do too
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Old 04-25-2018, 12:24 PM   #12
Natertot01

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The easiest way is to connect pin #6 of the C1 connector on the pcm to ground via a switch. This is the pin for the Neutral/Park switch sense. I just shorted mine to ground through the reverse lights lol. I can add images of all the wiring diagrams but im not sure how to add a pic to the post without a url
 
Old 04-25-2018, 01:54 PM   #13
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hit reply over her on the left..then down to manage attatchemnets..browse yer pic and post up
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Old 04-25-2018, 03:31 PM   #14
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Quote:
Originally Posted by Natertot01 View Post
The easiest way is to connect pin #6 of the C1 connector on the pcm to ground via a switch. This is the pin for the Neutral/Park switch sense. I just shorted mine to ground through the reverse lights lol. I can add images of all the wiring diagrams but im not sure how to add a pic to the post without a url
I don’t like to use Tapatalk to browse the forums, but I use it solely for posting pictures now cause it’s easy
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Old 04-25-2018, 09:05 PM   #15
Natertot01

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Here are the pictures:
 
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