andyborris
Posted a lot
Freedom is just another word for nothing left to lose.
Posts: 2,173
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Dec 17, 2017 11:35:04 GMT
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The Delica has a Cobra alarm fitted, it's a remote type.
I don't have the remote fob, I'm unsure if it still works and I worry about it going wrong and I end driving the car with the alarm shrieking or worse, the immobiliser won't let me start the car and I'm somewhere very remote!
So, how to remove? Can I just cut the unit off? Do I need to chase every wire and remove them? Where do the wires go (there's a lot!)? Where can I find a wiring diagram?
Thanks
Andy
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ChasR
RR Helper
motivation
Posts: 10,201
Club RR Member Number: 170
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Cobra alarm removal?ChasR
@chasr
Club Retro Rides Member 170
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Dec 17, 2017 12:46:52 GMT
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The Cobras or any alarms IME are reliable as long as they are installed right. I've not had a problem. Which one is it? For a few of them you can get a keyfob renewal package ; you get a new case as well as a new battery or two. I did this and managed to revive one of my spare keyfobs  . |
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Rich
Club Retro Rides Member
Posts: 6,261 
Club RR Member Number: 160
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Cobra alarm removal?Rich
@foxmcintyre
Club Retro Rides Member 160
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Dec 17, 2017 16:40:37 GMT
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Do I need to chase every wire and remove them? Yes. It will be piggy backed onto a lot of feeds and outputs, ignition, indicators, ect, and it will interrupt a lot of circuits meaning if you just unplug/snip all the wires the car won't start (if it's installed correctly) so you need to trace and make good any interrupted wiring like fuel pump, starter motor, ect. It's easy enough. just follow the wires. Not a scary job at all. |
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If it's been done neatly, expect a few original wires on the car to have been cut, and a pair of new wires from each cut running to & from the alarm. The ignition / starter / fuel pump circuits are needed to run the car. Lights & horn might also cause problems, but the car will run without them. I put a couple of photos on my "Wombling" thread recently that might help. If you open the alarm up you should find some relays with a pair of wires to each - the relays cut the power when the alarm goes off. Trace these wires and join them to disable the alarm  |
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I've had to do exactly this on my 628 bmw project.
As Rich says, you do need to trace and remove every wire in order to be certain.
Aside from feeds and earths, The wires will fall into two categories:
Some will piggy back or "tee" into original wires, and some will interrupt supplies, ie an original wire will go into the alarm unit (or other component), then back out to its intended place.
The former you can simply cut, the latter you will need to fit a bridging wire.
Stick with one wire at a time, work logically, label everything, and you should be fine.
I was fortunate in that on my car the dashboard and steering column were coming out anyway, making tracing and repairs much more accessible.
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1986 BMW 628csi, 2003 Alfa Romeo 147, 1992 Jaaaaag XJ40, 1982 BMW R100 cafe racer.
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This is relevant to my interests also. The fool who installed the alarm in my coon (prior to my purchase) disabled the central locking in the process. My auto sparky reckons it would take hours to figure out which wires have been cut and either make both work or just remove the alarm and reinstate the central locking. Not sure what type of alarm it is but I have the instruction leaflet for it in the car somewhere. Really should investigate a bit harder one of these years.
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