strip speedo wiring

Ho I have series one P6 with the strip speedo, I'm having problems with the indicators they work but I get either both flashing on the dash or three with the full beam on as well! I was wondering if anyone knows the correct sequence of the wiring at the back of the strip speedo so far the only I know is correct is oil pressure and ignition any help would be great
cheers Kevin
 
Hi, Check the earth connection for the cluster, the two working light you mention are ignition fed and earth through their respective components.

Colin
 
cheers Colin would that be the double earth that is with indicator relay??

Hi, I'm not sure exactly, it's been a while. Where the bulb holders go into the cluster there will be an earth track or leads connecting the holders and then it will have a cable going off to an earth point, it could well be there. It's just a case of going along making sure it's all sound and clean.

Colin
 
Thanks I've earthed both of the indicators and when you indicate right its fine, but when you indicate left they both flash, I've got a double earththat looks like it goes to the back of the strip but when I attach that the centre beam indactor takes of flashers and blinks , must be an earth issue but it is stumping me at the moment
 
Hi, Try the holders themselves. Are the bulbs making a proper connection, both power and earth? One isn't so it's finding a route through another filament to it's earth, which is why one or more appear to flash. Bad earth's do throw up some strange symptoms elsewhere.

Colin
 
Hi Colin yes bulbs connect short of dis-connecting it all and starting again it's driving me mad! did get it to work briefly but must be a #n earth issue, but they all seem to be earthed I earthed each flasher separately and it seem to work as soon as I put both to earth the flasher worked together. Meanwhile the indicators work fine ... will get a morden flasher unit I think to eliminate that. Then all I got to do is get webasto sunroof installed ! thanks for the input could really do with a decent wiring diagram
 
Hi, If the flashers are working OK then the flasher can is alright because the tell tales in the cluster are connected to their relevant side. Is this a series 1 or 2? Another thing to try if it's a series 2 is the hazard switch, all the indicator connections go through it. Because it is not used very often the switch contacts can fur up and it only needs a gentle knock to make it lose contact and throw up odd faults. Just keep working it in and out preferably with switch cleaner. I can't help with a wiring diagram because my scanner is U/S, perhaps some other kind soul can help.

Colin
 
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Thanks Colin it's a series 1 it only has one one flasher unit as far as I can tell. I unplugged the connectors from the handbrake and the beam indicator stops flashing! I'm going to get a hazard unit from eBay and hopefully it will include the standard flasher unit I've got the standard wiring diagram from the works manual but it might as well be the enigma code ! Thanks for the help you've pointed me in the right direction
 
Hi, That is an earth fault, if you unplugged the handbrake switch you've taken the earth path away it had so that's why it stopped flashing. Try earthing each bulb holder separately to narrow it down.

Colin
 
Hi All I'm still having issues with the indicators, now can't get them to work at all! I tried to wire in a hazard unit which worked briefly but I think it burnt out the flasher unit as it go very hot, so replaced it for a like for like unit and now nothing fuse ok and pretty sure all earthed ok. There three terminals on the flasher unit one l#marked as P which I taking as the panel connection which is live one marked as L which I'm taking as Live and a single green and brown wire goes to and appears to be dead and one marked with an X which I taking as earth. However I don't seem to have a wire for that and if I earth it it makes no difference. There is power going to the indicator stalk but nothing coming out... Any help would be gratefully received
 
Hi, I've now found my old HBL and it shows the flasher can is a three pin. I will come to the can markings in a minute. There's a green (G)wire from the fuse, this is the fused ignition power, there's a light green/brown (LG/B) wire which goes to the indicator stalk. Finally there's a light green/purple (LG/P) which is the earth for the cluster tell tales. According to the wiring diagram the pins are marked (B) (B) and (L) which is really helpful:rolleyes: As the only common one is the (L) which presumably means 'load' has the (LG/B) for the switch. Now as the tell tales earth on one of the (B) terms and power goes on the other (B) term, which could mean one is connected internally to the can case and needs to be earthed.

So I would suggest that you keep the can away from the body for the moment connect the LG/B wire to pin L and connect the (G) wire to one of the others and try the indicator switch and see if they work (the tell tales won't). If it does connect the LG/P to the remaining pin and earth the can.

If it doesn't change the (G) to the other pin and try the indicators again and it should work.

If it still doesn't then either the can is suspect or the indicator switch is. To prove the switch is OK connect the (G) wire to the (LG/B) wire temporarily and try the indicator switch and the lights should come on but not flash.

If they come on that means it's the flasher can, if they don't then it's the indicator switch.

You can use a three pin can and connect as said or a two pin can and earth the (LG/P) separately.

Don't bother with the hazards at this time as they have a totally different wiring set up through the hazard switch, just concentrate on the indicators for now and use a flasher can, not a hazard can as they have a different load to work.

Hope this helps and not too confusing.:)

Colin
 
Hi Colin thanks for getting back to me so quickly, in a round about way I think I've done what you have gone through but will follow your advice step by step the only green purple wire appeared to light up the full beam on the dash when it did work will let you know what happens next.
 
Just an update after spend way too many hours trying to sort this out I took the advise [thanks Colin] and brought another flasher unit, my third and surprise surprise it worked, well briefly so brought another one and so far that seems to work. It's a two point one so it L and X which is the same as B one issue now is the full beam has joined in and refuses to work! there is a double purple and green wire coming from the dash indicator for full beam that I think was connected to the original flasher unit I was wondering if anyone know the correct wiring for the full beam ... I've not tried to sort it but might be an easy fix or I'm doomed to spend more hours trying to sort that, again any help always gratefully received .
 
Hi, The green/purple wire is the earth wire for the indicator tell tales and probably the main beam tell tale as well. Are the tell tales working?

Colin
 
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