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Old Aug 16, 2012 | 08:27 PM
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newbie needs help

I just purchased a 2005 F250 superduty 6.0 diesel 136500 miles. I found a little box looking thing plugged into the connect port, no name just plain, except found a switch on the side but no information, just two positions.It does have a wire going to the fuse box. I think it is some kind of tuner. Also steering seems to wonder a little bit, does it have a damper? When I punch it a liittle, lots of black smoke out the tail pipe. It has the most accelleration I have ever had, and I have had a lot of trucks. It really impressed me. Any ideas would really. I purchased it from a honda dealer. It has 20 inch wheels does that screw up speedometer? If so how do I figure the speed?
Thanks
 
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Old Aug 16, 2012 | 08:50 PM
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get that thing off the truck immediately. sounds like a chip/tuner...but could be a wireless transmitter as well

either way, you don't know what it does, so it isn't good.

Assuming that is a tuner, it can potentially damage your transmission. The 5r100 trans hates chips. Blows them up. If you want a tuner, get a SCT and custom tunes. I run the SRL written by Matt @ Gearheads. Wicked fun tune.
 
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Old Aug 16, 2012 | 08:56 PM
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Thanks, what would a wireless transmitter do/used for? What is a SCT is that a tuner or what?
 
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Old Aug 16, 2012 | 10:02 PM
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SCT Tuners: SCT Performance - More Power! Less Fuel!

As for the wireless transmitter, it could be anything, like a tracking device.
 
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Old Aug 17, 2012 | 03:56 AM
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SCT has a wireless tuner that uses a little module that gets plugged into the OBD-II port

Insurance Companies have monitors that plug into the OBD-II port and record your driving habits
 
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