| [ Total Views: 1748 | Total Replies: 12 | Thread Id: 109610 ] |
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 richys green bug
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| posted on August 8th, 2015 at 05:52 PM |
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Need help ej22 ignition relay not triggering
I'm almost ready for first start up. Just cant get power to the ignition relay.
The trigger wire is not triggering when ignition key is on.
My harness was cut down by amauto.
Anyone have any ideas?
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MR930
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| posted on August 8th, 2015 at 08:07 PM |
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Is engine earthed to chasis?
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richys green bug
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| posted on August 9th, 2015 at 11:18 AM |
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Yes it definitely has a good earth to the motor.
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mackaymanx
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| posted on August 9th, 2015 at 12:38 PM |
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Have you earthed the ignition relay? The ignition relay has a different earth to the rest of the circuits in the Subaru loom, I don't know how Amauto
do their looms. The ECU gets it earth from the engine earth on the manifold and actuates most circuits by taking them to earth but the ignition relay
is different.
Quote of the week
"Do I wish to send them to you again, nope, no interest can't be bothered really, to much hassle for little or no return."
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mackaymanx
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| posted on August 9th, 2015 at 12:53 PM |
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D5, G1 or U1 ecu?
Quote of the week
"Do I wish to send them to you again, nope, no interest can't be bothered really, to much hassle for little or no return."
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richys green bug
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| posted on August 9th, 2015 at 04:58 PM |
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It's a U1ecu.
I just tried earthing the ignition relay...nothing.
I've looked at a few wiring diagrams and they all show that the light green trigger wire branches off to a diode (which is powered by the ignition
key) before it goes to the ecu.
Mine has no diode just goes straight to the ecu. Could that be the problem?
When I get power to that trigger wire it all lights up (check light & fuel pump)
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richys green bug
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| posted on August 9th, 2015 at 05:03 PM |
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I'll send some pics soon as I can work it out ☺
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mackaymanx
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| posted on August 9th, 2015 at 06:13 PM |
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Have not used a diode on the two U1 that I did.
Quote of the week
"Do I wish to send them to you again, nope, no interest can't be bothered really, to much hassle for little or no return."
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richys green bug
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| posted on August 9th, 2015 at 06:27 PM |
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That's good to know. Thank you
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josh702
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| posted on August 9th, 2015 at 07:05 PM |
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Don't worry about the diode, hook up the relay trigger wire to a battery then other wire "ground" to the negative on the battery. This should
energise the relay, if it doesn't id say the relay has failed.
Make sure the circuits your switching through the ignition relay have power, from memory they branch of a 30amp fuse all red wires into this relay and
the fuel pump relay.
Have fun
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richys green bug
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| posted on August 9th, 2015 at 07:24 PM |
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Awesome. I'll give it a go. Thanks a lot .
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richys green bug
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| posted on August 10th, 2015 at 04:51 PM |
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Thanks to everyone for your suggestions. I've got it sorted now. After talking to Miles for two minutes telling me what wires to check, we found
that one wire was damaged. The boys at Amauto really now their stuff.
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Bone
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| posted on August 11th, 2015 at 12:32 PM |
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Come on Rich, hurry up with this thing!
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