Sorry, Larry, that's a 69, with a dual-circuit brake system. 1966 was a muy
primitivo single circuit, and yes, the brake light is a pressure switch in
the line. Just like a CB Midget of the same vintage.
on 6/15/03 12:24 PM, Larry Colen at lrcar@red4est.com wrote:
> Uh Max, my 1969 MGB has a switch that is mounted to the cover for the
> pedal assembly. If the pedal is all the way out the other side of the
> lever pushes against the switch and opens it so that the brake lights
> are off, when I push on the brakes, the switch is allowed to close,
> turning on the light. The pressure sensitive switch is for the brake
> warning circuit, if one side of the circuit gets too much pressure,
> the warning light comes on.
>
> On Sat, Jun 14, 2003 at 09:20:13AM -0700, Max Heim wrote:
>> The other night another driver informed me that the brake lights weren't
>> working on the B. I was astonished to hear this, so when I got home, I
>> backed up to a fence and tried to confirm the problem. What I found out
>> puzzled me. There was no sign of brake lights upon normal application of the
>> pedal, but if I really really pushed hard on the pedal (I mean ridiculously
>> hard, with both feet), the brake lights came on.
>>
>> I could come up with an explanation for this situation if there was an
>> adjustable, pedal-mounted switch, as in some cars, but the B has a
>> pressure-sensing switch in the brake line, which I always thought of as
>> bimodal (on or off above a certain threshold), not as progressive. Anyone
>> have any insight? Obviously the switch has not (completely) failed, and the
>> bulbs work.
>>
>> TIA,
>> Max
>>
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires
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