thomasp

Member
Have an issue with my current land rover where once the key is in the ignition and turned there's a constant beep, is this an immobiliser issue? It's got a moss security 720 alarm fitted however no remote if that helps
The vehicle turns over fine however doesn't fire

Thanks all
 
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Sure it's a 720? Googling suggests that's specific to Minis produced from 1976 onwards.

How long have you had the car & has it always had this bleep & non-start problem?
Have you removed one of the plugs & turned the engine over to see if there is a spark?
 
Sure it's a 720? Googling suggests that's specific to Minis produced from 1976 onwards.

How long have you had the car & has it always had this bleep & non-start problem?
Have you removed one of the plugs & turned the engine over to see if there is a spark?
That's what's written on the alarm, only about a month as was bought as a project has had the issue the entire time. I have yes the ignition coil doesn't appear to be getting any power so thinking that's the cause of my lack of spark
 
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In the absence of a manual for your system you'll be best tracing all the wires from the alarm & seeing where they go.

It's common for many aftermarket systems for at least two of the car's systems to be interrupted by cutting a vehicle wire & splicing the appropriate pair of wires from the alarm to the cut ends.
Circuitry inside the alarm is operated by the fob - missing in your case - to complete the circuit.
I've had a couple of systems on mine, the first I replaced as the fobs required were no longer obtainable & currently have one of the Cobra systems.
Might be of help to have a look at the basic Cobra 8510 immobiliser so you have an idea of what goes where - obviously it's the choice of the installer which wires to cut but it's often low tension dizzy wire, a fuel pump wire (electric pump) or a starter motor wire (NOT one of the thick ones!)
If the pic works the paired wires 1 and 2 are the relevant ones.
If you're lucky the installer of yours will have been lazy & not cut a section out of the vehicle wire so reconnecting the ends will be easy.
 
In the absence of a manual for your system you'll be best tracing all the wires from the alarm & seeing where they go.

It's common for many aftermarket systems for at least two of the car's systems to be interrupted by cutting a vehicle wire & splicing the appropriate pair of wires from the alarm to the cut ends.
Circuitry inside the alarm is operated by the fob - missing in your case - to complete the circuit.
I've had a couple of systems on mine, the first I replaced as the fobs required were no longer obtainable & currently have one of the Cobra systems.
Might be of help to have a look at the basic Cobra 8510 immobiliser so you have an idea of what goes where - obviously it's the choice of the installer which wires to cut but it's often low tension dizzy wire, a fuel pump wire (electric pump) or a starter motor wire (NOT one of the thick ones!)
If the pic works the paired wires 1 and 2 are the relevant ones.
If you're lucky the installer of yours will have been lazy & not cut a section out of the vehicle wire so reconnecting the ends will be easy.
Shall see what I can manage, cheers
 

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