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paul 123



Member Since: 10 Jul 2022
Location: norwich
Posts: 82
United Kingdom 1995 Defender 90 300 Tdi PU Caledonian Blue
starter inhibitor switch
the question is how do i wire a starter inhibitor switch? the car is a 300tdi 90 with an autobox from a discovery.
Post #1031611 15th Apr 2024 9:52am
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Ramsay



Member Since: 30 Sep 2015
Location: Moffat, Dumfries & Galloway
Posts: 627
Scotland 1995 Defender 110 300 Tdi CSW Auto Keswick Green
Do you have the switch mounted in the gearbox RTC4937 or similar. This seems hard to obtain at the moment.
Is this a new install or has this been working already?

Borrowing from the discovery layout seems sensible with output from ignition switch going through one side of gearbox switch and then to starting solenoid and charging circuit.

This is what was done on mine (but not by me) and seems to work well.


Click image to enlarge 1995 Defender 110 CSW
1971 SIIA Lightweight
Post #1031676 15th Apr 2024 4:59pm
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paul 123



Member Since: 10 Jul 2022
Location: norwich
Posts: 82
United Kingdom 1995 Defender 90 300 Tdi PU Caledonian Blue
its a rebuild the inhibitor switch and gearbox were all working ok when i removed them from the disco. i need to know which wire to route through the switch. i was thinking of cutting into the starter relay earth wire.
Post #1031692 15th Apr 2024 6:43pm
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Ramsay



Member Since: 30 Sep 2015
Location: Moffat, Dumfries & Galloway
Posts: 627
Scotland 1995 Defender 110 300 Tdi CSW Auto Keswick Green
I suggest the feed to the starter relay rather than the Earth would be better. 1995 Defender 110 CSW
1971 SIIA Lightweight
Post #1031743 16th Apr 2024 8:50am
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