[Mgs] MGA Turn signal puzzle

[Paul Osborne]

Bob, replace the flasher unit. seems to work , heat up,  and does not 
work again.

paul

>I have an MGA 1600 with the pnuematic turn signal switch on the dash 
>(Moss #162-400), and the barrel type flasher unit on the firewall 
>(Moss # 141-750).  The pnuematic part of the turn signal switch 
>never worked so I just hold it to the side until I finish my turn. 
>Recently, holding the lever only initiates two  --  and only exactly 
>two  -- blinks on the turn signal lamps.  The same thing happens 
>with the front and back lamps and on either side.  Is this a turn 
>signal switch problem, or a flasher unit problem?  Is there a 
>diagnosis protocal to follow to isolate the problem?  I never 
>repaired pnuematic turn signal switch because one of the screws 
>holding the case of the switch together is stripped (the head is 
>intact, but it and turns freely in the threads without moving out 
>--  most curious).  Thank you.
>--
>Robert Guinness
>__

-- 
Paul Osborne
University of Rochester
Engineering & Technical Services
Department of Electrical and Computer Engineering
201 Hopeman Bldg River Campus
Rochester, New York 14627
585-275-5226
paul at ece.rochester.edu