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Hi first post here,

I own a 52 plate 156 1.8 TS and about 9 months ago something funny started to happen to it. When I pressed the key fob to unlock the doors the indicators stop flashing and the beep disappeared. The central locking still appeared to work but no flashing or beeps. The same thing happened when I locked up. In addition the dashboard red light didn't flash to indicate the alarm is active so I assume it is dead.
So I take it to the dealer who spends two hours diagnosing the problem and comes back and tells me that their is no wiring fault but when he switched out the ECU with one he had lying around it sorted the problem. They charge me £130 for the diagnosis and quote me £200+ for the ECU and fitting. In the meantime I go away to phone my local Alfa specialist to see if he can improve on the quote but he comes back and says that you need a special tool to change the ECU and he doesn't have it. I had spoke to him in the 1st place about the problem and he was reluctant to get involved because it was the alarm and had recommended I take it too the dealer. Anyway while this is going on the beeping and indicators starts flashing again. By this point I am starting to tear my hair out. But being a student and having already wasted £130 I decided to leave well alone. So it continues to work for three months and then stops again. Aaaaah!!!!
Anyway not being convinced about the main dealers explanation I decided to leave it for a while and see what happened. And needless to say two months after no activity on the beeping and flashing front, one day I go out and push the key fob and it starts beeping and flashing again. Confused I am.

Anyway the alarm is working and has continued to work for the last few months so I am crossing my fingers it continues to work until I start my new job and get rid of it.

Incidently the car is in the garage at the moment having all the front passenger side brake caliper, disc and pad replaced after the caliper got damaged and seized up.
 

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Welcome Jay Cannonball to AO and the wonderfull world of dodgy italian electrics, i suggest that as you are an student keep your money in your pocket these problems can be a bottomless pit of which to throw your beer money into. I'm no electrician but it does sound like a loose connection somewere, and exspensive
 
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Sounds like a loose connection to me too. Does the 147 have a manual override lock in the engine bay somewhere that can disable the alarm? If so, could it be a loose connection in this switch? just a thought, you could try linking it out to see if this helps (find out where it is and which wires switch the alarm to on, then bridge these wires out with some sort of connector) this will at least let you know whether the switch is causing it.

Just a thought.
 
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