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Faulty smart top relay


K.I.T.T.

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29 minutes ago, spyderman8 said:

I've got a feeling the electronics inside are potted - to prevent copying.

I wouldn't be suprised. Happens quite a bit in the specialist Hi-Fi industry, though thats usually more to do with people making great claims about

components they are using, when they are actually using something else entirely (ie alot cheaper)

 

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True but you'd need to manually unlatch it first. Honestly, do that at 70mph and you deserve what you get.

Mine's a 987 so one-touch to 35mph ish, and I'm still cautious when it's blustery and I'm at 15mph.

Think I've closed it on the move once or twice due to sudden rainstorm; slow to the appropriate number on the digital speedo, hit the button, and crawl for 10 seconds or so. No big deal.

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8 hours ago, Menoporsche said:

True but you'd need to manually unlatch it first. Honestly, do that at 70mph and you deserve what you get.

Mine's a 987 so one-touch to 35mph ish, and I'm still cautious when it's blustery and I'm at 15mph.

Think I've closed it on the move once or twice due to sudden rainstorm; slow to the appropriate number on the digital speedo, hit the button, and crawl for 10 seconds or so. No big deal.

It wasn't so much the opening more the closing.  Mine has/had one touch and it would close at 150 if you hit the button by mistake.  

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2 hours ago, Southy said:

It wasn't so much the opening more the closing.  Mine has/had one touch and it would close at 150 if you hit the button by mistake.  

But if you press the button again it stops doesn't it?

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Just now, Boxob said:

But if you press the button again it stops doesn't it?

yeah, I wasn't too concerned to be honest until the wife took the nephew out for a ride and he was obsessed with the roof, bum clenching until they returned  :)

 

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  • 3 months later...
On 02/10/2017 at 10:52 AM, topradio said:

While it's often referred to as a relay it's actually much more complex than that. I have never actually taken one apart but i am sure that it will contain some fairly sophisticated logic to determine the position of the various switches and also the cars speed, rather than just knowing that the car is moving.

I would break the seal and take a look for any damaged components. It could be something as simple as a dry joint on one of the pins as it's quite a tug to get it in and out. 

Oh! and post a pic of the inside for our delectation. 

 

On 02/10/2017 at 1:24 PM, K.I.T.T. said:

Absolutely Baggers.

Haven't built / used any Arduino kits, but have the schematics and instructions. I reckon <£20 in parts. I was originally going to do this until I came across my (potentially buggered) smart top. Depending on the outcome of my investigations, I may end up doing this yet.

I'm thinking of my dubious relay and visualising all of you lot going "WHAT'S IN THE BOOOOOOOOOX!!!!" ala Se7en :P 

So, I left the relay to gather dust. I was waiting for some files to download earlier and was bored. So...

39771196462_f0a4c29b4c_b.jpgDSC_1800 by ash_ashy_mo, on Flickr

39771194272_69c8fc4b6a_b.jpgDSC_1801 by ash_ashy_mo, on Flickr

39771194182_3bff492cdf_b.jpgDSC_1803 by ash_ashy_mo, on Flickr

At first glance, it appears to simply be a daughterboard soldered to an IC, although ideally I'd need an opened stock relay to do a side-by-side comparison to determine if anything else is obviously different.

I may buy a used stock relay and whip out the soldering iron and try swapping components. Determined to get this to work...

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