so i just got some hyperground cables for my 04 es and i put them on and i went to drive my car and it died on me and i dont really know why.now i do have the rrm piggyback ver2 and iw as thinking maybe that had something to do with it.my question to you guys is do any of you have these and what have your expeinces been with them?

 

Did you let the ECU relearn after you installed the grounds or did you just put them on and start driving? Were the RPMs fluttering at all?

 

Did you take off the stock cables?

 

probably isnt dead.... take them out.. and put the stockies back... if it works.. then theres your problem!

 

yea i let the piggy reset itself and yea the rpms dropped down to like 800-900 rpms and it just stalled.and it says nothing of taking off the old cables the directions said you could just put them on.the car runs great now i can deff see a differance is throttle response.

 

If you reset the piggy, that's probably why it stalled. As for the rest, remember, the placebo effect is very strong when it comes to cars.