Richard,
So the spring and wire bit is just a "flexible" ground connection for
the
switch which is in the button?
Elegant, duh..... Thanks. I kept wanting the spring, brass, and wire
thing (term: horn BRUSH) to be the switch.
Peter C
At 11:45 AM 5/27/99 , Richard Shipman wrote:
>Peter,
>
>On my '74 Midget, the brass plunger is used to bring the horn's ground
>circuit up to the horn centerpiece which is pressed onto the center of the
>steering wheel. The "switch" is in this centerpiece. If you remove this
>assembly and look at it from the back while pressing the horn button, you
>can see how it works. When this assembly is pressed, the circuit brought up
>through the brass plunger is shorted to ground and the horn beeps.
>
>Hope this helps,
>
>Richard Shipman
>'74 Midget
>'68 MGBGT
>'58 Morris Minor 1000
>
>At 11:07 AM 5/27/99 -0500, you wrote:
>>Herb,
>> If you look at that plastic and brass plunger, it has a wire connecting
>>the 2 brass contacts.. 1 at each end, so there is continuity all the time.
>>This has been a mystery to me...... any electrical engineers out there?
>>Peter C
>>At 10:25 AM 5/27/99 , Herb_Goede@amsinc.com wrote:
>>>>Depending on the year of your car this is how it works. The cone shaped
>>>piece that mounts to the dash and fills in the space between the wheel and
>>>the dash should have a brass contact ring to fit between it and the wheel.
>>>The ring should have a wire connected to it. The wheel has a 3/8" hole
>>>next to the mounting hole. A plastic and brass plunger fits in there and
>>>rides against the brass ring. When you push the horn button it compresses
>>>the plunger and completes the ground circuit and you get beep beep.
>>>
>>>Herb G.
>>>
>>
>>
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