I emailed the company, but I would also like the non salesman point of view on these items from the fine folks here. I can't believe I haven't done this yet, but I was wondering if any of you have experiences with these modules halfway down the page on the link? Why the huge price difference? and is it worth buying or should I just make my own like some of the other threads about this say? Thanks in advance.
DFUSER Diesel Performance Products Exhaust High Performance Part Diesel Intake Diesel Power Chips

<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR align=left><TD vAlign=top>Torque Converter Overide with LED

• This harness overrides Torque Converter (T/C) lockup.
• The included Green LED allows you to monitors Torque Converter (T/C) lockup by the Power train Control Module (PCM, part of the emission system).
• Upgrade to a Lead Free ON "Constant"-OFF-(ON "Momentary") Toggle Switch (Full On Position, Momentary On Position, and Off (Stock) position.
• Easy 2 wire hook up and a ground.
• Installation instruction available on the documentation section.
• Free Shipping! (To lower 48 states)

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$99.99

<FORM action=https://www.paypal.com/cgi-bin/webscr method=post target=paypal>T/C Lockup with LED
<INPUT type=image alt="Make payments with PayPal - it's fast, free and secure!" src="https://www.paypal.com/en_US/i/btn/x-click-but22.gif" border=0 name=submit> <INPUT type=hidden value=1 name=add> <INPUT type=hidden value=_cart name=cmd> <INPUT type=hidden value=wildbill1963@dfuser.com name=business> <INPUT type=hidden value="T/C Lockup W/LED" name=item_name> <INPUT type=hidden value=TCLUWLED name=item_number> <INPUT type=hidden value=99.99 name=amount> <INPUT type=hidden value=1 name=no_note> <INPUT type=hidden value=USD name=currency_code> </FORM></TD></TR><TR><TD colSpan=2></TD></TR><TR><TD background=/img/+999.gif colSpan=2></TD></TR><TR><TD colSpan=2></TD></TR><TR align=left><TD vAlign=top>Torque Converter Lock/Unlock Overide with LED's

• This harness overrides Torque Converter (T/C) lockup and gives you total control on Lock and Unlock.
• The LED's allows you to monitor hhe Torque Converter (T/C) lockup status.
• Includes a three (3) position Switch and Green/Red/Amber LEDs.
• Adds the ability to unlock the T/C and leave it inlocked regardless of speed.
• Installation instruction available on the documentation section.
• Free Shipping! (To lower 48 states)

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</TD></TR></TBODY></TABLE>

 

i would build your own. its much cheaper and its not to difficult.

 

You can have Jody program your DP for TC lockup. Give him a call or send an email.

 

Thanks, that was a question on my list for Jody. Now to find out how that works.

 

I have that module from dfuser, I didn't feel like building my own. I have added a TC lockup LED, so I can tell you the DP keeps the it locked until about 35-40 MPH, which is about the limit of effectiveness of the exhaust brake. Although if I flip the TC lock switch I can keep it locked till it stalls if I want, not that I want to though.