[T3] 69 Turn Signal Switch/Cancel Ring
brent at bottolfson.net
Thu Apr 12 09:04:56 PDT 2012
On 4/12/12 5:01 AM, Jim Adney wrote:
> On 11 Apr 2012 at 22:53, Brent Bottolfson wrote:
>> I'm having a problem figuring out the ground wiring for the horn in my
>> 69 column. I've got it worked out except for the cancel ring portion.
>> How does the outer brass ring from the cancel ring connect for current
>> flow? I know some of the levers have built-in wipers for the ring, but
>> I'm pretty sure I have the right lever assembly. Here's a picture of
>> what I'm referring to.
> Your '69 does not use that cancel ring with the brass contact. That
> contact is only used on the '71-on cars.
> On the '69, the current comes in to the horn, which is "hot", and the
> wire from the horn runs to the steering shaft bearing, which is
> insulated from the steering column, where it makes the shaft "hot". A
> ground wire runs up the inside of the steering shaft where the horn
> button makes the connection between that ground wire and the steering
> shaft to complete the connection.
> This is one of the most complicated and convoluted circuits in the
> car, and the most commonly misunderstood, but it's a good system that
> has the advantage that it does not have that sliding contact that
> wears out and damages the TS switch.
Thank you. Seems I have some mismatched parts. I think I'm finally
understanding how this works!
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