Flashing cogs of death!

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:violent:

The Disco has been struggling with the flashing cogs of death (S & M) for a few months now. I've managed to get it to limp on for a while. I have bought a second hand xyz switch and tried it but no change. I then bought a new xyz switch and a professional Lynz diagnostic kit to try and sort it...... but still haven't got anywhere (The Lynx kit is fantastic).
I have found a broken wire in the loom over the gearbox and sorted it. The computer is still telling me that the Gear position switch has a permanent and intermittent fault. So I can assume there must be more broken wires in that mass of spaghetti!
If anybody else has this problem I suggest setting fire to the vehicle and ringing the fire brigade in the morning!
That should sort it.
I am open to any suggestions before I wheel it to the scrap yard!
Mind you, it has done 200k miles of hard labour!
 
:violent:

The Disco has been struggling with the flashing cogs of death (S & M) for a few months now. I've managed to get it to limp on for a while. I have bought a second hand xyz switch and tried it but no change. I then bought a new xyz switch and a professional Lynz diagnostic kit to try and sort it...... but still haven't got anywhere (The Lynx kit is fantastic).
I have found a broken wire in the loom over the gearbox and sorted it. The computer is still telling me that the Gear position switch has a permanent and intermittent fault. So I can assume there must be more broken wires in that mass of spaghetti!
If anybody else has this problem I suggest setting fire to the vehicle and ringing the fire brigade in the morning!
That should sort it.
I am open to any suggestions before I wheel it to the scrap yard!
Mind you, it has done 200k miles of hard labour!


Before you do anything else, you need to verify, and if necessary, correct the battery condition - which often causes this kind of problem.

With a multi-meter measure across the battery terminals and establish what voltage is available. For this to be a valid test you need to ensure that EVERYTHING electrical is turned off.


Dave
 
Last edited:
:violent:

The Disco has been struggling with the flashing cogs of death (S & M) for a few months now. I've managed to get it to limp on for a while. I have bought a second hand xyz switch and tried it but no change. I then bought a new xyz switch and a professional Lynz diagnostic kit to try and sort it...... but still haven't got anywhere (The Lynx kit is fantastic).
I have found a broken wire in the loom over the gearbox and sorted it. The computer is still telling me that the Gear position switch has a permanent and intermittent fault. So I can assume there must be more broken wires in that mass of spaghetti!
If anybody else has this problem I suggest setting fire to the vehicle and ringing the fire brigade in the morning!
That should sort it.
I am open to any suggestions before I wheel it to the scrap yard!
Mind you, it has done 200k miles of hard labour!

Here I am looking for a body shell and someone's actually thinking of sending theirs off to landy heaven. Don't give up on the labour of love, and if you have, please let me find another home for that disco.:)
 
Before you do anything else, you need to verify and if necessary the battery condition - which often causes this kind of problem.

With a multi-meter measure across the battery terminals and establish what voltage is available. For this to be a valid test you need to ensure that EVERYTHING electrical is turned off.


Dave
Check the battery voltage engine off, then check with engine running at 2K rpm, you should ideally see about 14.2 volts.
Gearbox ECU's do not like low volts.
 
Thank you guys for your response. I've done all of the relevant checks as you've suggested. I am now considering the new wiring harness. I'll give it one last chance!
The guy who works for me loves it , and does not want a new one but he may not have a choice.


So what was the voltage across the battery with the engine at rest?


Dave
 
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