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Old 21-11-2012, 19:09   #1 (permalink)
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Electrical Madness!!!

Okay, I'm not really car savvy so keep responses simple. I've got at MG ZR 1.4 16v. I was driving down the motorway today and all of a sudden, all my electrical stuff went mad. Boot popped open, hazards came on, dashboard completely lit up, A/C turned on and horn kept beeping with other things. Pulled over, took key out ignition, after a minute it stopped and i finished my journey. I parked my car and came back to it 3 hours later, the boot opened itself up and my left indicator was stuck on, car wouldn't start and had to get toed home. I've been told i could have a problem with my ECU or just some exposed wires and things like that.

Any ideas?
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Old 21-11-2012, 19:29   #2 (permalink)
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Exposed wires in tailgate wiring loom and water in Security Control Unit/Body Control Unit?
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Old 22-11-2012, 15:01   #3 (permalink)
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I've heard those both from other people as well, unfortunately I don't have the know how to fix it. I'll have to get it looked at. My immobiliser has kicked it as well :/ thanks forthe response, any more help would be appreciated...
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Old 22-11-2012, 15:49   #4 (permalink)
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Here is a guide how to inspect tailgate wiring loom: Rover 200/25/MG ZR Tailgate Wiring Loom inspection guide - MG-Rover.org Forums

and here is good guide regading SCU/BCU issues: General Pektron SCU/BCU - MG-Rover.org Forums
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Old 28-11-2012, 14:00   #5 (permalink)
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Still having an issue, I have a 54 plate model, so I don't think there is a manual release for the boot and obviously my FOB is useless because of the immobiliser. Is there a way to open the boot to check the tailgate wiring loom?
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Old 28-11-2012, 14:06   #6 (permalink)
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If you can get it in from the back and remove the inner trim from the tailgate you can get to the rod and manually move to release the lock.
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Old 30-11-2012, 18:31   #7 (permalink)
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Having an absolute nightmare! The release for the back seats is broken, so they won't budge. Would it be easier to pay to get my EKA code and reset the immobilizer like that, then surely my FOB would work again and I can just open the boot using that.

I have the round FOB with 3 buttons by the way.
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Old 02-12-2012, 15:39   #8 (permalink)
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Just about given up!

So I tried the EKA code, it work for about a second and the immobiliser comes straight back on, I still can't start the car and there is no way for me to get into the boot to check out the tailgate wiring loom. Looks like i'll have to take it to a mechanic...money I don't have lol.
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