Mike,
I just went through this last fall. The steering column completes the
circuit to ground from the horn slip ring so you may want to look at that.
Here is what I did:
Connect one end of a jumper wire to the chassis or negative battery
terminal.
Connect the other end to the steering column at various points and try the
horn each time.
There are three places I found where failure may occur:
1. Look at the oil plug on the steering rack and see if there is a wire
going to it and it is making a good connection.
2. There is a wire which jumps over the rubber coupling in the steering
column.
3. There are ground connections on the harness attached to the facia.
Initially I put a bandaid on the problem by wiring a new ground to the
steering rack. Later I found the real problem was at the harness.
One interesting thing about my problem was that the horn honked, just not
very well or loudly. Sort of bleated like a sheep or something. When you hit
the horn, the left hand headlight would flash! It must have been finding a
poor ground connection through the light somehow.
- Hugh
> -----Original Message-----
> From: owner-6pack@autox.team.net [mailto:owner-6pack@autox.team.net]On
> Behalf Of Mike Brandon
> Sent: Friday, April 05, 2002 6:22 PM
> To: 6pack@autox.team.net
> Subject: TR 6 Horns??
>
>
> Hi Gentlemen,
>
> I'm the new owner (July 2001) of a beautiful original paint
> etc., 1974 1/2
> TR6, Commission #CF 3040UO.
>
> However I've been trying to get the horns to work! I hooked
> up the horns
> directly to the battery, with my booster cables, and they
> hoot just fine!
> The horn relay #512-170 has been replaced. The horn brush
> contact has been
> checked for continuity - OK, the horn slip ring has been
> cleaned. Still no
> joy when the button is pressed!
>
> I note that there is a wire attached to the horn slip ring,
> where does this
> go? Is it grounded to the steering column or does this run
> down the steering
> column and ground somewhere? One thing I still need to check
> is the ground
> strap that goes across the flexible coupling in the steering
> column. Is this
> known to be an issue?
>
> There is a wire attached to the steering box lub plug, this
> is a ground
> associated with the horns I believe.
>
> Any suggestions or info to help me solve this mystery will be much
> appreciated, and save my yelling!! ;)
>
> Thanks.
>
> Mike.
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