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Another Indicator Issue Topic.....


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#1 apotter92

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Posted 17 April 2014 - 06:39 PM

Hi guys, I'm at the end of my tether...
Car: 1993 rover mini rio 1275cc
Had issue with right hand front indicator not working, bulb was ok, but earth looked a little poor in the bulb holder.
I replaced the bulb holder and the indicator worked, for two flashes...
Now, I have no indicators on either side, the hazards don't work, and I have no high beam flash.
I have replaced the fuse and flasher unit (3 pin black plastic type) to no avail.
I'm stuck, and willing for any potential leads that could help me solve my issue!
Thanks in advance, Adam.

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#2 Dan

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Posted 17 April 2014 - 07:32 PM

  A 3 pin electronic flasher in a 1993 car?  Were there connections for all 3 pins?  Is this in the engine bay or behind the dash?



#3 apotter92

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Posted 17 April 2014 - 07:39 PM

I had a Lucas one, 3 pins and a 3 pin connector. I bought a replacement from summerford mini, tried it and they're all still dead... I can get photos if you like? It was under the dash bottom rail,
Cheers

#4 cal844

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Posted 17 April 2014 - 07:42 PM

Is it earthed??

#5 tiger99

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Posted 17 April 2014 - 07:48 PM

Well, the high beam flasher and the indicators are fed from different fuses. Which did you replace? Perhaps both? I think your car is late enough to have 4 seperate in-line headlight fuses, before that there were none, for legal and safety reasons. If so it may also have the seperate left and right earths, if not, please see my comments below.

 

Do the headlights and sdielights work, also tail and brake lights? Does any other electrical item, e.g. interior light, not work? What about the brake failure test lamp?

 

If the headlights do not work normally, main and dip, suspect the black earth wires at the bunch of bullet connectors behind the top of the grille. For safety;s sake I strongly advise always, on every version of the Mini, running seperate earths from the left and right lights to left and right earth points, not the single point normallu used, which is just plain wrong, because it is unsafe. One wire coming adrift kills all headlights, main and dip, and possibly kills you too, if it happens on an unlit road in a dark night. Been there, not in a Mini, in about 1971, and not forgotten the experience....

 

If the headlights and all other lights do work normally, I think you most likely have a double fault. Do you have a multimeter, or even a test lamp (just a small 12V lamp in a socket, one wire attached to earth, the other free to probe with, will do)?

 

A hazard switch that is faulty will kill the indicators. Sometimes it has just been knocked and is not in the fully off position. There is also a flasher relay, which when energised (green circuit live) connects the light green-brown feed to the indicator stalk to the light green-pink fron the flasher unit, so that the stalk switch has "flash" power fed to it when the engine is running. The same flash power (light green-pink) feeds the hazard switch which directly connects it to the green-white and green-red indicator circuits when it is operated. So the flasher relay, a 4 terminal device, is implicated if the indicators don't work, but hazards do. An in-line fuse (brown one side, purple-orange the other outgoing) controls the supply to the indicator and flasher circuit in its entirety. The top fuse in the box (incoming brown, outgoing purple) controls the headlight flasher.

 

You could possibly have a break in the brown (permanently live) feed, depending on where it splits to go to the two fuses, so check at the bunch of browns on the starter solenoid.



#6 tiger99

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Posted 17 April 2014 - 07:49 PM

Oh, and you could link out the flasher temporarily while proving the remainder of the circuit, just link the two non-earthed terminals.



#7 apotter92

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Posted 19 April 2014 - 05:28 PM

Dan... Yup, had three connections for the three pins... It was under the dash by the air pipes for the heater...
Tiger99... I've tried (to the best of my abilities) to follow each step of your help... I've checked bulbs, fuses and checked them again! I've looked over the wiring and all seems in tacked. I've tried to follow your instructions upon bridging the connections, but as I wasn't completely sure which wires to do, that didn't help either. I'll attach some photos of the wiring, flasher and stalk in a minute... I have also used other topic feeds on here for inspiration but found nothing helped. I genuinely have no idea what to do. The way they stopped working indicated a fuse had blown but I have replaced them twice now. The interior light is not working, high beam works when the stalk is pushed forward but not when the flash (pulled back) is operated. I have no hazards, clicking noise or indicators. Brake lights, reverse lights (on the same fuse as the indicators) work fine. Side lights, number plate lights work perfectly too. If you've and more suggestions I would be desperate to hear them.
I'm really grateful for your help thus far!

#8 apotter92

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Posted 19 April 2014 - 06:16 PM

Attached File  image.jpg   31.04K   7 downloadsAttached File  image.jpg   53.02K   5 downloadsAttached File  image.jpg   74.97K   8 downloads

Had the clocks out, no other flasher canisters fitted there...

#9 cal844

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Posted 19 April 2014 - 08:56 PM

Check the reverse light switch wiring!! Also take a look at the connectors behind the grille and stalk

#10 apotter92

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Posted 19 April 2014 - 09:51 PM

I'll take another look tomorrow!

#11 apotter92

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Posted 23 April 2014 - 05:46 PM

Solved it! Turns out the inline fuses behind the carb were iffy, replaced them and it's working! For now, anyway!




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