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main relay is going off and ecu light stays on??????????

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Old 01-24-2009, 09:22 PM
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Exclamation main relay is going off ??????????

ok guys i have a 99 b16a2 in my 88 civic hatch, the car started up and idle and everything, the next day we tryed to start it up and the main relay is going off and the ecu light stays on guys wat is going on, i have no idea.........???????????????? running on obd0

HELP ME SUMONE I WANT TO DRIVE MY CAR!!!!!!!!!!


i will pay sumone cash to cum fix my car in morning help..........

Last edited by youngj29; 01-29-2009 at 08:25 AM.
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Old 01-25-2009, 08:41 AM
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Default Re: main relay is going off and ecu light stays on??????????

check your ecu fuse under the hood. 15A
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Old 01-25-2009, 04:21 PM
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Default Re: main relay is going off and ecu light stays on??????????

the fuse is good just check it and i just change the ecu
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Old 01-25-2009, 05:09 PM
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Default Re: main relay is going off and ecu light stays on??????????

Make sure all your grounds are hooked up and the connections where your car harness plugs to your engine harness is good... There Is a fuse in the fuse panel in your car. I thinks it's your alternator signal or something like that. I bet that fuse is blown... (Happened to me)
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Old 01-25-2009, 06:26 PM
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Default Re: main relay is going off and ecu light stays on??????????

had the same problems with one of mine, was a ground I believe, was simple though.
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Old 01-27-2009, 09:20 AM
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Default Re: main relay is going off and ecu light stays on??????????

i tryed everything still no luck, I WANT TO DRIVE MY CAR
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Old 01-27-2009, 01:39 PM
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Default Re: main relay is going off and ecu light stays on??????????

are you sure the ecu is good?
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Old 01-27-2009, 10:50 PM
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Default Re: main relay is going off and ecu light stays on??????????

yea i just got a new one
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Old 01-29-2009, 08:26 AM
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Default Re: main relay is going off and ecu light stays on??????????

cash money to fix or tell me wats wrong help!
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Old 01-29-2009, 10:27 PM
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Default Re: main relay is going off and ecu light stays on??????????

anyone
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