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Truspeed problems

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One Up Offroad
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Joined: Nov 2005
Member # 399
From: Woodburn OR

Posted - December 21 2008 : 3:07p

Anyone have any problems with these,
Mine is erratic under 35 mph.
Throws a code causing the speedo to stop working and the check engine light to come on, then the tranny goes into limp mode.

My dealer checked the rear speed sensor and it showed the erratic pulse so we put a new rear speed sensor in.
when we disconnect the Truspeed the pulse is perfect.
this is my second true speed with the same problem.
Any thoughts?
Other brands?

1999 F250 V10 BTS Tranny 46" Claws 5:38 gears

Edited by - One Up Offroad on December 21 2008 3:09p

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swamper77
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Vehicle: 2003 Ford F-350
Joined: Jun 2007
Member # 3013
From: Marietta Ohio
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Posted - December 21 2008 : 3:31p

I had the same problem about two years ago Dave. I talked with Superlift and they replaced it for free. So far this one has worked fine.

DrSpeed
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Vehicle: Ford F-550, Gixxer 750,
Joined: Jun 2005
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From: Bellingham WA
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Posted - December 21 2008 : 7:06p

http://www.superlift.com/accessories/truspeed.asp

Hmm....sounds like the pots may have worked themselves loose. Need to resolder them in.

Or have Superlift send you a new one.

If that one tanks, then think about this one:

http://www.truckblog.com/story-1380-howto_install_a_speed_wizard

TANKS 250
Supercharged Member

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From: Belle Chasse Louisianna
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Posted - December 21 2008 : 7:32p

I have the Speed Wizard in mine to,..Since Kenny lived so close,..I was one of the Beta testers....it works perfectly

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