TB= Throttle Body

The switch part is attached to said TB. Like on the picture below with a
single switch. The switch is that little black plastic piece. You can see
how it has a cam (the circular metal thing being messured) and it engages
the switch at full open or close depending on the presure you have on the
accelerator
http://www.van-cafe.com/shop/images/throttle_body_part2.jpg

Thanks to van-cafe for their picture.
The newer version some 85's on have 2 switches.

hope that illustrates the TB switch.
Tony

On Thu, Oct 27, 2011 at 11:43 AM, Melissa Mourkas <westywoman@mac.com>wrote:

> What, pray tell, is a TB switch? Sorry if I am a goober, but even after
> more than 20 years of owning these things (Vanagons) that's the first I have
> heard of a TB switch.
>
> Melissa Mourkas
> 84 Westy "Honey Bee"
> www.westywoman.com
>
>
>
> On Oct 27, 2011, at 07:12 AM, T Collins <tonycollin@GMAIL.COM> wrote:
>
>
>>
>> Short story is:
>> TB switch
>> Vacuums
>> Idle staibalizer
>> Timming
>>
>>
>>

-- 
82 Scirocco "Rodolfo" 85 Vanagon "El Guapo"
http://groups.google.com/group/wash-co-vws2<http://groups.google.com/group/wash-co-vws2?lnk=gcimh>
(new)

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