MM semaphore switch

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Johnno
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MM semaphore switch

Postby Johnno » Sun Jul 21, 2019 6:16 pm

Hi all,having problems with original series MM semaphore switch.Managed to get the mechanical side of switch to work but not the electrical side.Has anyone had any luck repairing these old switches?
Thanks,John.
Power to your Pistons,Johnnydoome.

JOWETTJAVELIN
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Re: MM semaphore switch

Postby JOWETTJAVELIN » Sun Jul 21, 2019 6:51 pm

Is it the illuminated switch for two door cars or the non-illuminated 'timer' switch? Do you have the wiring diagram as this will make things clear.
Image

Johnno
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Re: MM semaphore switch

Postby Johnno » Mon Jul 22, 2019 7:53 am

Hi,it’s the timer switch.It is wired as per diagram but the actual contacts do not seem to connect as timer is activated.
Power to your Pistons,Johnnydoome.

myoldjalopy
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Re: MM semaphore switch

Postby myoldjalopy » Mon Jul 22, 2019 10:16 am

This article may help: http://mgaguru.com/mgtech/electric/ts101.htm
Are you sure it is the switch and not the operation/earthing of the trafficators?

Johnno
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Re: MM semaphore switch

Postby Johnno » Mon Jul 22, 2019 3:04 pm

Trafficator’s are working on a manual switch but would like to put the timer switch back on.
Power to your Pistons,Johnnydoome.


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