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Author Topic: how to check for ground loops problems  (Read 4253 times)

walter

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how to check for ground loops problems
« on: April 26, 2012, 05:49:56 PM »

Hi, i think i could be have problems with ground loops, i fried 2 ecus already , i dont know how but after works good, get CEL. tried a stock ecu and not cel and looks ok, i will chip it but i dont want to damage this other one....
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ratcityrex

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Re: how to check for ground loops problems
« Reply #1 on: April 26, 2012, 05:52:50 PM »

What code is it throwing a cel for?
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New setup is old bottom end with a hype r head with gsr cams. built lsv with hx35 @ 26psi on pump gas
LEED tuned! 434hp/329tq http://www.youtube.com/watch?v=_pbDXZxZdZs
http://www.realhomemadeturbo.com/forum/index.php/topic,16195.0.html

Old Setup B18a1 296hp/289tq LEED Tuned 20psi on pump! http://www.youtube.com/watch?v=2Yj-Z90j4W4   
http://www.realhomemadeturbo.com/forum/index.php/topic,205.msg2437.html#msg2437

walter

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Re: how to check for ground loops problems
« Reply #2 on: April 26, 2012, 06:08:23 PM »

it's solid Cel once key is on, as a fried ecu.. not datalogging working of course.. relay is going crazy  , i was thinking about wiring (stock) but once i plugged oem ecu everything sounds good... it's a EF OBD0 to OBD1.
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ratcityrex

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Re: how to check for ground loops problems
« Reply #3 on: April 26, 2012, 06:49:02 PM »

U swap distributer wiring around? Do u have another obd1 Ecu to plug in and try?
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New setup is old bottom end with a hype r head with gsr cams. built lsv with hx35 @ 26psi on pump gas
LEED tuned! 434hp/329tq http://www.youtube.com/watch?v=_pbDXZxZdZs
http://www.realhomemadeturbo.com/forum/index.php/topic,16195.0.html

Old Setup B18a1 296hp/289tq LEED Tuned 20psi on pump! http://www.youtube.com/watch?v=2Yj-Z90j4W4   
http://www.realhomemadeturbo.com/forum/index.php/topic,205.msg2437.html#msg2437

jabberwock

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Re: how to check for ground loops problems
« Reply #4 on: April 26, 2012, 07:32:51 PM »

nm.. cannot read
« Last Edit: April 26, 2012, 09:54:10 PM by jabberwock »
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Teg2boo

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Re: how to check for ground loops problems
« Reply #5 on: April 26, 2012, 09:22:22 PM »

Do you have an Ostrich? If so, try with a chip to see if you still have the problem.
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damn you guys too? its a fucking forum not a court room!
 Its not a forum its a gang.  

walter

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Re: how to check for ground loops problems
« Reply #6 on: April 27, 2012, 06:28:13 AM »

U swap distributer wiring around? Do u have another obd1 Ecu to plug in and try?

Yes, right now im runing with D16z6 OBD1, i made my own distributor wiring harness, i think that's not the problem because as i said , tested with stock obd1 ecu and not cel...

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walter

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Re: how to check for ground loops problems
« Reply #7 on: April 27, 2012, 06:28:38 AM »

Do you have an Ostrich? If so, try with a chip to see if you still have the problem.

Yes, i do, i will burn a chip and test it again. i will let you know. thanks!.
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