Lancia Beta Forum

Technical stuff => Electrical => Topic started by: peteracs on September 18, 2025, 04:08:23 PM

Title: Any appetite for variable intermittent wiper relay?
Post by: peteracs on September 18, 2025, 04:08:23 PM

Hi

I just wondered if anyone would be interested in having a replacement unit/relay to allow variable intermittent wipe as opposed to the original fixed period?

I am having a play with building one and was gauging the interest as it entails having a PCB made etc if building a batch of them. One debate is whether to use reuse the original metal can, ie replace the original or go for a new case all together.

My thoughts on varying it would be to use a variable resistor (pot) which you could mount on the dash somewhere convenient.

Any thoughts on it would be welcome!

One side note. I had played with a fixed duration delay relay previously and managed to get it to work, but realise that it was more by luck and it is not really suitable as a replacement as I now understand how the relay should function. IE I have not found a suitable off the shelf relay which is suitable for our wiper motors.

Peter.

Title: Re: Any appetite for variable intermittent wiper relay?
Post by: VXdeMayo on September 18, 2025, 05:48:44 PM

Just a thought but I seem to remember the Fiat 124 Sport Coupe had a variable pot mounted on the dashboard? A black round turn knob with wiper logo on the front?
I maybe mistaken but that could provide a period correct looking pot and be of the same lineage?
Of course there won’t be many left now but……

Title: Re: Any appetite for variable intermittent wiper relay?
Post by: SanRemo78 on September 18, 2025, 06:48:10 PM

The Fiat 124 Spider and Coupe had a wiper rheostat.

https://www.ebay.com/itm/135918794559?_skw=fiat+dino+coupe&itmmeta=01K5EYYZHRA71V1CJZ0A5TJCCB&hash=item1fa564373f%3Ag%3AYnMAAOSwZVpcY0IR&itmprp=enc%3AAQAKAAAA0FkggFvd1GGDu0w3yXCmi1f7zqsbpvQXYCxa9OH99tXW3Yxj0wOi2uDxYeeCAKvCdyzOeKQyC5ASRKjXtLysKU2%2BUexhtGXFOgUHniXHhPU52Kma6K3QGGzaAl4qu7Ld%2ByYdHIJY4BazDpuhjhmcrdH9tdSnOxxiPOpV8Zd0hF8wrjDgc42aXFUA6kXfY4pV2TpVhmJT525ghscXFguMfimJC3rKO0k1EI0IQNhot3bFLMipDV2eyKpjDGD2NQ9Yp76sUHPij6n60BwI5%2FmZKIE%3D%7Ctkp%3ABk9SR_74-96rZg&LH_ItemCondition=4

Guy

Title: Re: Any appetite for variable intermittent wiper relay?
Post by: SanRemo78 on September 18, 2025, 06:48:43 PM

I think I might have one in my parts stocks somewhere if it's of use Peter?

Title: Re: Any appetite for variable intermittent wiper relay?
Post by: peteracs on September 18, 2025, 09:40:56 PM

Hi Guy

Thanks, there appear to be various new 'knobs' with wiper legends on, mostly for switching on/off, but hoping to find one which I can switch over to a pot. I would like to use new parts for this as using old pots can be hit/miss on reliability and the shafts are usually standard sizes.

Thanks Chas for suggesting it as would make it a more complete solution.

Peter