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Chay84
08-09-12, 01:09 PM
Im wondering how to wire a engine managment light into my 20ex nova, previous owner said it had one but it clearly doesn't, also it doesn't have a diagnostic plug, the light on dash doesn't come on, I have changed the bulb but still nothing so it must not be wired up, I looked at the article how to wire a 16v nova, but I'm still unsure where to start tbh

Thanks

Iain
08-09-12, 02:00 PM
If you look at the wiring harness near the ECU, is there a few small plugs? I think you can take the EML wire from there to the back of the clocks, and fit a switch in another to earth it to flash the codes.

Chay84
08-09-12, 02:26 PM
Not at car ATM will have a look later if I'm at the lock up, but I don't think there is cause I had the ecu out ther other day and I read on the wiring a 16v guide and it says the mk2 Astra had a different harness with only 1 plug being this
http://i1079.photobucket.com/albums/w520/chay6684/23580abad1fa061148e4325830b79e37.jpg

http://www.pngclub.com/forum/showthread.php?98133-*HOW-TO*-Wire-a-2ltr-Into-A-Nova

Iain
08-09-12, 02:35 PM
I think mine has that plug and also the smaller green eml plug

Chay84
08-09-12, 02:53 PM
Ok Cheers I will have a look before I got to work tonight

Chay84
09-09-12, 08:00 PM
Not had a chance to look yet been raining and need to take out garage so I can see

Chay84
10-09-12, 03:44 PM
Not at car ATM will have a look later if I'm at the lock up, but I don't think there is cause I had the ecu out ther other day and I read on the wiring a 16v guide and it says the mk2 Astra had a different harness with only 1 plug being this
http://i1079.photobucket.com/albums/w520/chay6684/23580abad1fa061148e4325830b79e37.jpg

http://www.pngclub.com/forum/showthread.php?98133-*HOW-TO*-Wire-a-2ltr-Into-A-Nova



Just this plug on my loom no diagnostic green plug

Chay84
11-09-12, 06:31 PM
anyone have any idea?

Iain
11-09-12, 06:42 PM
I think you're looking for a brown/blue for the EML output, and earthing the brown/yellow to make it flash

Chay84
11-09-12, 07:15 PM
i cant find any like that at all :(