UPDATE
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Ok ive looked at the alarm and there is no markings on the siren in the engine bay.
Its just black and the only sticker it has has had the writing removed
(prob by heat).
It looks like it had a cat2 immoibiliser in the dash but i havent got a fob for that but the immobiliser is linked to the toad alarm so maybe it was an upgrade from cat 2 to cat 1?
Anyway the other prob i have is when the car is immobilised by the alarm,i turn the ignition to position 3 and all the fans come on around the car
(not the heater but the engine bay and radiator fans) but as soon as i disarm the immobiliser the fans stop.
I take it the alarm is wired wrong as i dont hear the fans any other time except when the immobiliser/alarm is activated.
Ive tried disconnecting the engine bay temp senser
(on the lid) as been told this will make the fans run all the time but it doesnt.
I may remove the alarm all together and put a decent system in myself
(im not too bad with car electrics as im an electrician by trade!).