> The PO of my '66 TR-4A put on an aftermarket steering wheel and I'm
> trying to revive the defunct horn. There's a two inch cylindrical axial
> hole in the steering column, about 3/16 ' in diameter, a long spring that
> goes into the hole, a plastic collar on top of the spring and then a little
> brass button attached to the wire that goes to the horn actuator, a simple
> self-contained switch (the other switch wire is attached to the steering
> column from whence it is grounded by a wire from the steering box).
I, too, have an aftermarket steering wheel. The horn button is 'stuck'
(ie, the push goes back & forth, but the horn is always on)
I believe my problem is a frayed wire shorting to ground. Right now the
horns are disconnected.
I'd like to convert to a horn relay system, to avoid having all those amps
going through the bits of brass right in front of my hands. Has anyone
got a simple way of installing a relay? (ie, donor car/parts, which purple
wire goeth where, etc)
> The problem is that nothing will stay in place. There must be some kind
> of missing grommet that holds the spring, collar and brass button in place.
If it's like mine, I *think* that the spring is supposed to hold the brass
button into the horn push. You may want to try 'unwinding' the spring a
bit to expand the coils.
or, put a dab of silicone on the spring and let it glue itself to the
push. Be careful that you don't isolate the spring, I bet it's got to
complete the horn circuit somehow...
BTW, how does one identify a steering wheel? Mine is smaller-diameter,
with leather grip and 3 aluminum spokes. It is mounted onto a hub by a
dozen or so bolts.
-Malcolm
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