Inertia - Fuel Cutoff Switch - Defender Source
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  #1  
Old June 4th, 2012, 05:54 PM
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John Crouse
'93 NAS D110 (#8) / '61 Series II
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Inertia - Fuel Cutoff Switch

I'm having trouble with the switch in my NAS D110 and Rovers North says it's NLA. Anyone know a source or (more likely) a reasonable replacement? Or do folks just get rid if it?
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  #2  
Old June 4th, 2012, 07:53 PM
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Carlos
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Have you looked into ford? Any 90s ford fuel injected would have one, it is the same, different look and plug so yours would have to modified to use ford plug... Btw it is not defender spscific, any lr has it
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Old June 5th, 2012, 09:12 AM
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Paul Koentges
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you can try taking it apart and cleaning the interior. It has a spring-hinged butterfly wing-type plate with a ball bearing. Spray WD-40. If it looks clean and making contact, not likely your I-switch. Connect the two wires going to the switch together (paper clip across contacts) and see if your symptom goes away...if not, the switch is likely good. Disco II, RR classics all have the same switch. I had intermittent problems when going over potholes, etc...reset the I-switch and the 90 ran correctly.

side note: (by previous owner) dealer diagnosed problem as bad fuel pump, after market alarm, bad ECU, all which were replaced under warranty, alarm removed...the dealer was surprised when I clued them in...
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Old June 6th, 2012, 01:22 PM
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John Crouse
'93 NAS D110 (#8) / '61 Series II
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I was able to pick up a used one (Thanks Will!). I reset mine several times over the last couple of weeks, but reseting no longer works.

I've seen them on several UK parts sites. Will probably pick up a new one or several more used spares.
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Old June 6th, 2012, 07:06 PM
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John Crouse
'93 NAS D110 (#8) / '61 Series II
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UPDATE: OK, turns out it was not fuel related at all. The ignition switch is bad. Noticed that there was no power to guages at the 'II' (run) position. So it would turn over and fire but once you let go of the key it would return to the run position and die as if it had no gas. Actually had no power. Very deceiving since it would fire every time.
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