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Jayzsun 08-23-2012 04:56 AM

TPS resistor wire
Hi!Anyone know where to hook up the ZEX tps resistor wire?What color is the voltage wire from the tps on a 2012 5.7 hemi crew cab?Thanks.

snrusnak 08-23-2012 08:59 AM

Why do you want to put a resistor on the TPS? I would think this would REALLY F up the signal and make the truck undriveable...since it's fly by wire.

Jayzsun 08-23-2012 11:48 AM

It is actually a drive by wire throtlle body and the ZEX wet nitrous kit for hemi 5.7L 2012 include the tps resistor wire to hook it up with the nitrous/fuel module...

snrusnak 08-23-2012 11:56 AM

Oh I don't know what it does then, not real familiar with nitrous...

Jayzsun 08-23-2012 02:03 PM

No problem,just trying to give me some help hey?

snrusnak 08-23-2012 02:31 PM

Yeah I just don't understand why you'd want anything to tap into the tps signal? Maybe the nitrous kit is activated by the tps signal? So it knows how much to inject?

Jayzsun 08-23-2012 06:12 PM

This is because the nitrous controler needs to know when the throttle body is at reading a voltage signal by the resistor wire.

Steermaster 05-02-2013 06:05 AM

If you contact ZEX they will give you troubleshooting over the phone, as well as check their site, the install PDF they have for each piece is pretty spot on. Good Luck! I will be oding my install later this month so please do post back what you ended up doing

moparmike07 09-01-2014 05:42 PM

Bump you figure it out?

chefred112 09-19-2014 01:15 PM

I tapped the second wire on the pedal sensor for tps from the zex nmu... not sure if it's the same for the 4th gens..

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