Lotus Elan

Horn sounding when not pressed.

PostPost by: ericbushby » Sun Jun 09, 2024 11:19 am

DSCF0826.JPG and
Hi All
just recently the horn on my S3 has occasionally sounded at random when the button has not been pressed.
I have checked the clearance between the rotating steering wheel hub and the fixed hub. I am satisfied that they cannot touch and there is no end float on the shaft.
After removing the steering wheel I found that the horn `pencil` internal wire has broken and the brass end piece is loose in the assembly. It needs a new piece of copper wire fitting.
If anyone has this part out will you please measure the overall length so that I can repair this one correctly.
Eric in Burnley
1967 S3SE DHC
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PostPost by: Ray419G » Sun Jun 09, 2024 2:28 pm

Eric,

This is the same part from my 68 S4

Ray
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PostPost by: ericbushby » Sun Jun 09, 2024 3:47 pm

Hi Ray,
Thankyou very much for that. When I tried assembling the pencil at 65mm, it seemed a bit too long in my case.
I scaled it off your photo and and decided on a shorter set up, approximately 60mm, which gave a similar appearance. maybe there is a difference between the two.
Soldered the wire in and assembled the steering wheel. It all looks good and works correctly.
Thanks again,
Eric
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PostPost by: Ray419G » Sun Jun 09, 2024 5:14 pm

Eric,

Sorry, I should have added in my original reply that the pencil from my car measured 56mm long, rather than just relying on the photo.
The end that rubs on the fixed contact in the column does look somewhat worn down on my example, and the spring is probably permanently compressed a little bit after all the years in situ, so I suspect it originally started out closer to 60mm in length.

Ray.
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PostPost by: alanr » Sun Jun 09, 2024 6:13 pm

Hi Eric,
They are not worth the bother of trying to repair. SJS have them for a few £'s....£5.28+vat.
https://www.sjsportscars.com/parts-and- ... rchresults

Alan.
Alan
'71 +2 S130/ 5speed Type9.
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PostPost by: ericbushby » Sun Jun 09, 2024 7:39 pm

Thanks Ray, that all seems to fit now.
Hi Alan,
I would say why not repair it, it is no bother at all as I like to repair things if possible and I have done so since I was a child. I enjoy the challenge and get satisfaction from doing it and it often costs nothing at all. That job is done, replaced and working and should last as long as the original did.
I have recently repaired a RV1 tachometer, three Lotus temperature gauges, rebuilt a garden shredder and am working on a lovely good quality 1950`s alarm clock.
As you probably know already I manufacture an alternative Elan window cable clamp screw for Series 3 and 4 cars with all proceeds to Cancer Research UK. This removes the risk of breaking the glass that was inherent in the Lotus design. No bother at all. Thanks for the opportunity for me to get another plug in.
Thankyou both
Eric
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