Found a sole reference on the inter-web to the immobilser in my 1992 MK2 quite a few years ago, but if I saved it, can't find anything again. Not that it shed much light on things anyhow, other than it was most likely period to the car. Going to try again in case anyone recognises the fob... inserts into a non-descript plain rectangular slot added to the dash. The slot has an LED that flashes red until the key's put in, then it goes solid green. Fob doesn't need to remain in the slot, quick in and out does it. There's no audible alarm aspect to it, simply prevents you starting the car. I'm guessing it's by disabling the fuel pump as that doesn't prime without it. Cheers.
Unfortunately it's just a plain black cylinder, about 2/3rds the size of a Red Bull can. The wirings pretty scant, I don't think it's too hi-tech. It's been well installed with care, had planned to remove it when the dash was out and there was good access but wasn't confident to do it myself as car was a non-runner and no way of knowing I was doing things correctly. Couldn't get an auto spark out either because of lockdowns. When the cars MOT'd and able to be taken to a professional defo. being removed... Might not be such of a problem if I'd two fobs but only having the one is waiting for trouble to happen.
it shouldnt be too hard to remove if need be, cut all the wiring from it out then insulate/re-join any wires that have been bared/cut jobs a goodun
Have you done a Google picture match to see if anything else pops up? I would but can’t download the pic.
Looks like GVK has solved it, thanks. A few references on old Ford forums, but unfortunately little or none of it good. https://passionford.com/forum/ford-...th/496272-what-brand-immobilizer-is-this.html Don't seem to have been very reliable and even when new spare keys weren't available. Wasn't holding out much hope one could be got all these decades later, but that's definitely knocked it on the head. Sounds like mine was called the 'Mangusta'!
Remove it. I had the recent pleasure of removing one of a similiar vintage from my GTI. I can't speak for yours but the installation of the one in mine was undertaken by a complete knuckle-dragger. I didn't just remove an immobiliser, I removed a fire hazard. The 'quality work' will mostly be in and around the fuseboard, remove and replace wiring preferably using solder and heat shrink. In my case it was awkward and a bit tedious but I''m glad that thing is out. Tackle each cable at a time, go slow and steady and you too will be the owner of a non-immobiliser GTI. (Disconnect the battery as well while you're doing it - just in case.)
Yup... definitely coming out, really tempting fate here but in fairness to it, it's working fine after sitting for nearly 12 years.