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kayoss

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Reply with quote  #1 
Hi

I bought my Supercat last year and the side lights and rear indicators had already been converted to LED - but the indicators flashed a bit quickly.

I've now fitted LED indicators to the front, but they don't flash at all - the flasher unit just buzzes!  

The side, repeater indicators are still traditional build types, I've tried fitting a replacement flasher unit that came with the car, but with that fitted, nothing happens at all.

Can anyone advise what I need to do or what flasher unit to get please?

I've attached links to photos of the original and replacement units that don't work in case they help.

Thanks in advance

Bob

https://www.dropbox.com/s/68levd7xzb9r5k9/IMG_1691.JPG?dl=0

https://www.dropbox.com/s/bku2kwew9wskrog/IMG_1692.JPG?dl=0
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TOC_Admin

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Reply with quote  #2 
The flasher unit relies on the resistance of the bulbs in order to flash.  You need to add an equivalent resistance to two 21 watt bulbs in parallel with the circuit.

Using Ohm's law, it works out at 42 watts and 6 ohms.  50 watt 6 ohm resistors are relatively easy to come by either from eBay, or here from Amazon:

https://www.amazon.co.uk/4pcs-6ohm-Load-Resistor-Signal/dp/B008KXJS8Y


Alternatively, you could replace the flasher unit with an electronic one, though you will have to make some adjustments to the wiring to accommodate this:

https://www.autoelectricsupplies.co.uk/product/726/category/35

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kayoss

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Reply with quote  #3 
Many thanks for the reply.

Would I need to fit a resistor to each indicator or just one for each side of the car?

Or if I change the flasher unit (which would be preferable I think) what adjustments need to be made to the wiring? Is it a pretty simple job - I'm OK with the mechanical side of things, but am certainly no auto electrician!!

Thanks again

Bob
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TOC_Admin

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Reply with quote  #4 
For the resistors, the easiest is one per side as you can wire them in parallel either in the nosecone area or rear tub area near the original light connections.

The replacement electronic unit I linked to can be bought from other places, and is proven in use.

https://www.electricalcarservices.com/led-indicator/hazard-unit-with-warning-light-terminal/p-1509


If you go with this specific unit, it is plug-in compatible for the 49 (+12v purple wire) and 49a (to indicator switch green/yellow) terminals.  However, you MUST remove the pin 31 (earth black wire) from the back of the flasher unit holder, otherwise you will blow the unit up.  Wrap the end of the loose wire in insulation tape and then tape it back into the loom.



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kayoss

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Reply with quote  #5 
Thank you very much indeed - sounds simple enough once you have the knowledge, so I'll give it a go!

MoT is due on 6 May, so I hope it all works as easy as it sounds !! lol

Thanks again

Bob
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TigresTDI

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Reply with quote  #6 
Take the easy waygo to the local scooter shop (kymco jahama what ever)buy one of them 
they all use LED lights cost around 5 GBP use the 3 connectors drop it in and it works.

Martin 
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MattJ

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Reply with quote  #7 
I might be a little late to the party on this one...

Swapped the rear lights to LED units including indicators - obviously have the usual hyper flash problem.

Tried resistors when I fitted them, and they seemed to make no difference.

I've bought this new relay which looks like it'll work with the current loom without modification: https://www.carbuildersolutions.com/uk/red-led-flasher-relay

Haven't managed to get it fitted yet, but half-term next week, so...

Matt

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kayoss

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Reply with quote  #8 
Many thanks for all the replies guys - been a bit busy, hence the delay in replying. Tried the resister solution (fitted one to each corner) and an LED flasher unit - but both failed miserably!!

The car failed the MoT because of the hyper-flashing so needed to find a solution quickly - even if it was a bit Heath Robinson!

I suddenly realised that, although all front and rear indicators were changed to LEDs, the side repeaters were still the old festoon bulbs!  Quickest option was to link into the wires to the side repeaters, connect a couple of make-shift bulb holders, and insert a 20W bulb in each one.

Not pretty, but I now have an MoT and can enjoy the car again!!

Quick video showing the solution
https://www.dropbox.com/s/nmvlgyy16abj8f3/IMG_1741.MOV?dl=0

Add a cable tie to tidy it up, and job done!!
https://www.dropbox.com/s/2a8b7nuwly5sr9v/IMG_1746.jpg?dl=0

Cheers

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TOC_Admin

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Reply with quote  #9 
I bet that looks great at night [smile]
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TOC_Admin

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Reply with quote  #10 
FWIW, here is a video showing 50 watt, 6 ohm resistors wired in parallel - though I would advise against the wire taps they have used, which can cause further problems down the line, and go for connecting them at the multi-plug connectors either using new crimps connectors and/or soldering them:

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kayoss

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Reply with quote  #11 
Quote:
Originally Posted by TOC_Admin
I bet that looks great at night [smile]



Surprisingly, you hardly notice it even in the dark. My plan was to prime and spray the bulbs black, but they're so far under the dashboard that they don't draw your attention.

I fitted the resistors exactly as shown on the video and rewired the LED flasher as necessary. I can only think that the LED flasher didn't work because of the festoon bulbs in the side repeaters, but have no idea why the resistors didn't work!?

Cheers
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