Ross Overcash wrote:
>
> Unless a prior owner did some unusual modification I would just make a wild
> guess that this is the Brake Pressure Failure warning light. It should be
> part of a rocker switch that is used to test the lamp to be sure it will
> light. Depending on which master cylindar you have in your car (I only say
> this because one of the prior owners of my 74 put the incorresct master
> cylindar in at some point) the actuall pressure warning switch is either
> located as an integral part of the master cylindar or as a switch in the 4
> way junction that the lines to the the brakes come from. To my knowledge
> there is no warning light to indicate that you are in overdrive on any MGB,
> also I believe (probably wrong) that the overdrive swithc is located either
> in the turn signal unit on the left side of the steering columne (it is in
> my 74 vand was in my 71) or center mounted on the gear shift (later cars).
>
> Ross Overcash, 74B, NAMGBR 2-1172, Ayer, MA.
> http://www.tiac.com/users/jroverca
But Ross, I think this chap was talking about a '67, wasn't he? No
pressure warning light on that one. And the o'drive switch was mounted
on the fascia, to the far left of the driver's side (LHD).
Bill
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