I had the same problem with my TR4. Found that there was
intermittent conductivity through the connection between the rod and
the pinion, which was properly grounded. I took a similar approach
to solving the problem: routed the engine ground strap that normally
goes between block and body in such a way that is always rubs the
steering rod. Horns work great now!
I'm guessing the modern grease used in the rack/pinion assembly doesn't
conduct electricity as well as the 60's vintage. Anyone buy that
explanation?
-----------------------------------------
Charlie Farwell 1962 TR4 #CT3852L
cfarwell@lucent.com
On Nov 15, 9:37am, Mark Milotay wrote:
>
> I wrapped a spring around my steering column to ground mine. I did one wrap
> and then bolted the 2 ends to the body. All of this was done within the
> engine compartment. I hope that this helps. It has been a number of years
> since I did this and I no longer have the car, so I am a little fuzzy on
> everything I did.
>
> At 08:33 AM 11/15/98 -0500, John Middlesworth wrote:
> >
> >On my TR4A (negative earth) I find that the steering column is poorly
> >grounded, making the horn button work only occasionally. When I checked
> >the steering rod coming out of the rack and pinion, I found that the
> >problem begins there--lots of resistance. (Don't worry, all the grounding
> >wires are in place at the rubber couplings.) How then is the steering
> >wheel properly grounded?
> >
> >John Middlesworth
> >1966 TR4A
> >
> Mark Milotay, Principal
> On the Mark Software & Consulting
>
>-- End of excerpt from Mark Milotay
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