wrong battery connection, pls help! - LotusTalk

toysport · 04-19-2008, 04:14 PM

tried to jump start my battery today and got confused, connected the + to the - terminal. car idled well but when i ran the car even if ti is at 180+ temp car is cutting off at 6000 rpm. is it possible that i damage the ecu? pls. help! thanx

apk919 · 04-19-2008, 04:24 PM

Quote:

Originally Posted by toysport

tried to jump start my battery today and got confused, connected the + to the - terminal. car idled well but when i ran the car even if ti is at 180+ temp car is cutting off at 6000 rpm. is it possible that i damage the ecu? pls. help! thanx

Is the check engine light on? Sometimes it takes three run cycles (starting and turning off the engine/ignition) to clear faults. Try that and see if it clears your problem. Connecting the jumper cables backward shouldn't hurt the ECU. Other stuff maybe, but not the ECU.

drstvk · 04-19-2008, 07:51 PM

Hi Toysport,

Don't feel bad, I did it, too.
Check this thread:
Hooked up battery tender wrong. Now CEL

I fixed it by changing out 1 fuse.
And send CharlieX a big thank you.

Steve

toysport · 04-19-2008, 09:22 PM

thank you so much drstvk. got it fix but needed to clear some codes that pop up.took me 3 times to cancel the 5 codes and yes the fuse was bad. thank you very much!

Chris Mackey · 04-19-2008, 09:31 PM

Another happy lotustalk ending.

04-19-2008, 04:14 PM	#1 (permalink)
toysport Registered User Join Date: Mar 2007 Posts: 44	wrong battery connection, pls help! tried to jump start my battery today and got confused, connected the + to the - terminal. car idled well but when i ran the car even if ti is at 180+ temp car is cutting off at 6000 rpm. is it possible that i damage the ecu? pls. help! thanx

04-19-2008, 07:51 PM	#3 (permalink)
drstvk Mt. Diablo Hiker Join Date: May 2006 Location: Danville, Ca Posts: 401	Hi Toysport, Don't feel bad, I did it, too. Check this thread: Hooked up battery tender wrong. Now CEL I fixed it by changing out 1 fuse. And send CharlieX a big thank you. Steve __________________ 05 BRP Elise 08 BMW 335i 97 E36 M3 / 01 Dodge Durango 90 300ZX / 85 Toyota Cressida (with velour seats) and son's red 08 EvoX (The Acura type S met a brutal end)

04-19-2008, 09:31 PM	#5 (permalink)
Chris Mackey Registered User Join Date: Jun 2007 Location: Austin, Texas Posts: 2,587	Another happy lotustalk ending. __________________ 2006 Elise, Ardent Red, Black Pack, LSS wheels, shocks and springs. ChuforiaGraffix.com SDD Lives On! SweetDaddyDelicious(at)hotmail(dot)com

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04-19-2008, 09:22 PM	#4 (permalink)
toysport Registered User Join Date: Mar 2007 Posts: 44	thank you so much drstvk. got it fix but needed to clear some codes that pop up.took me 3 times to cancel the 5 codes and yes the fuse was bad. thank you very much!

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