Hi To All

[markh15]

Hi Brian,
Just let me put the sun screen down for a minute.

It's a 12v horn from a small motorcycle. I decided to change it a while back, as the scooter beeber is muted (due to it being under the bonnet), and so is really quiet.
I have found a couple of diodes (black and silver thingies) on a scrap circuit board, so I'll change this and the resistor later, in an attempt to fix the problem.

I hope this is the problem, as I don't want to have to look for another controller!!

I'll also try the scooter breakers in town, and see if they have one, I need to see them about some 6" tyres, so it's worth the trip.

Wish me luck,
Regards,
Mark.

[brian]

Hello Mark, I'm puzzled as to why a horn circuit would want anything other than the horn switch, the horn and the linking wire.

A big horn might benefit from an intermediate relay so the horn switch does not actually carry the heavy current, but that's all, no diodes, resistors or anything else.

regards,

Brian.

[markh15]

Hi Brian,
The scooter I used for the electrics (Shoprider 'Cadiz'), has all the circuits built into the main control box. The Indicators, Horn, and Reversing Beeper all share the same 'Buzzer' to make their respective sounds. The Resistor and the Diode must have something to do with it, but as Electronics aren't my strong suit, I can't explain why.

I was trying to find the feed wire for the horn push, when I shorted out two wires and blew the main fuse in the control box. It was only after this was replaced that the problem showed up.

I have had the small circuit board tested twice today, once by the Scooter Workshop, and by my local electonics store, and they both confirm that the components are fine, so it's looking like a problem inside the control box!

I can either try and re-wire the indicators like you have done, usind a car flasher unit, or find a new control box.

Anyway, I'm off now to catch the ferry, before Harvey finds out.... now where's my bucket and spade?

Keep Busy,
Regards,
Mark. (The Leigionare)

[brian]

Have fun soldier.

Brian.

[multisync]

hi Mark
Oh dear, oh dear,oh dear!
can't say more!
Walter

[markh15]

Hi Guys,

Not really, just wish me luck as you wave me goodbye...sounds like a song title...

Regards,
Mark. (sand in shoes)

[markh15]

Hi Guys,
I've managed to sort out the indicator problem!!

You might remember I shorted something out while trying to find a feed for a louder horn, and caused a problem within the Indicator circuits.

I went to see the guys at 'Shopmobility' in my area, and we came to the conclusion that I had damaged the Main Control Box (Yikes!!)

Mike (the boss), loaned me a Controller (with a known 'Drive' fault), so I could check if this was the case, but after swapping it over, the problem continued, so that wasn't it.

I returned the controller, and Mike loaned me two more boards from a 'Cadiz' that they had broken for parts.
These were swapped, buy again, no luck!

I removed the front section of the loom from the car, this used to fit under the front shroud of the scooter, and connect up all of the switch-gear from the handlebars (but now lives in the Battery compartment of the Toylander), to trace the wiring, to try and find the fault.

I discovered two strange components, in the Indicator wiring. The first was a small circuit board....



with just 4 components on it.
And this 'doodad' soldered into the wiring....



Which I had no idea what it was.

I contacted Walter (multisync), to see if he had any ideas as to what it was, but he wasn't certain, saying that it looked like a 'Bridging Diode' of some sort, but couldn't understand why it was there.

We both guessed that the small board was something to do with the indicators, so I went back to see Mike, and borrowed a front loom from his dismantled 'Cadiz', which has both these components attached.

I changed the small board, and Eureka! the flashers and hazzards worked properly again!!

So I can put my bucket and spade away, and hide my sandals in the wardrobe, as I won't be joining the 'legion' after all!!

After this scare, I have drawn up a wiring diagram of the car, and it's various bits and bobs, for future reference, as trying to de-cypher it in the car was a nightmare!

The upside is that I've now fitted the horn (a lot louder), and I now have a better idea as to how to fit the Radio controlled 'Cut-out' switch, which I bought a few months back!

Just in time for Harvey's return from his holidays!

Keep Busy,
Regards,
Mark.