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Steve Tinker · 12-02-2013, 08:51 PM

I've been experiencing the dreaded ignitions key insert / withdrawal difficulties that many of you have had, so I ordered a new electrical switch (part #4A0905849B/1) which is the recommended part number.
The new switch arrived and I can see from the general arrangement that it contain only the electrical connections and nothing mechanical - as in tumblers or locks.
So my question is, what exactly is causing my ignition key to bind in the lock mechanism - it certainly feel mechanical - and if I'm only replacing the electrical portion, hows this going to help insert / remove the key?
Has anyone got a diagram of the electro / mechanical components or can describe how it all works??

12-02-2013, 08:51 PM	#1
Steve Tinker Registered User Join Date: Dec 2008 Location: Queensland, Australia Posts: 1,522	Ignition switch internals.... I've been experiencing the dreaded ignitions key insert / withdrawal difficulties that many of you have had, so I ordered a new electrical switch (part #4A0905849B/1) which is the recommended part number. The new switch arrived and I can see from the general arrangement that it contain only the electrical connections and nothing mechanical - as in tumblers or locks. So my question is, what exactly is causing my ignition key to bind in the lock mechanism - it certainly feel mechanical - and if I'm only replacing the electrical portion, hows this going to help insert / remove the key? Has anyone got a diagram of the electro / mechanical components or can describe how it all works?? __________________ 2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley. 2001 MV Agusta F4.