This has been discussed a number of times before on this site and on the other two. To find more information, I suggest you use the Search function on the top of any message board page. Try searching for "gear", that should pull up messages on this subject.
The usual cause for this is improperly rigged or malfunctioning microswitches. You'll just have to jack it and work through it I think. But perhaps others here will have other suggestions.
You also might look through the archives on
www.skymaster.org.uk. There may be info on this subject there as well.
You could also email a message to
skymaster@yahoogroups.com, Gmas will probably have some advice for you on that list.
Lastly, if you are a member of the CPA, Tom Carr (
www.cessna.org) is very knowledgeable, and I know he can help you with this via phone or email.
Good luck,
Kevin