wiring led side repeaters
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baxter
Looking like a GTM
Joined: Thu Nov 04, 2010 11:09 pm
Posts: 174
Location: south yorkshire
GTM: Rossa
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 wiring led side repeaters hello i have a pair of M3 door mirrors with repeaters in them. they are three wire. black is -iv. red goes to u2. blue goes to u1. does anyone know what the red and blue need to be connected to? thanks for any help. 
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| Sat Mar 12, 2011 10:31 am |
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Ken555
On the Road
Joined: Fri Sep 28, 2007 7:39 pm
Posts: 573
Location: Aberdeenshire
GTM: Cox/Coupe
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Re: wiring led side repeaters Blue - Connect to + Parking Light (could leave this probably)
Red - Connect to + Indicator
Black - Connect to Earth (Ground)
AFAIK
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| Sat Mar 12, 2011 11:22 am |
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Matty H
Ready for SVA
Joined: Mon Feb 09, 2009 12:11 pm
Posts: 317
GTM: Libra
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Re: wiring led side repeaters Do you not also need a different flasher relay or resistors.
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| Sat Mar 12, 2011 12:02 pm |
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baxter
Looking like a GTM
Joined: Thu Nov 04, 2010 11:09 pm
Posts: 174
Location: south yorkshire
GTM: Rossa
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Re: wiring led side repeaters im not sure about a resistor as they are on a circuit board already in the mirror wth wires that i am told are ready to connect to 12v supply. i have a flasher for side repeaters as used on the mini and one for use without. thanks for your help i'll give it a go. i do have a spare set if it all goes pete tong
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| Sat Mar 12, 2011 2:27 pm |
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gtmdriver
On the Road
Joined: Tue Oct 30, 2007 8:44 am
Posts: 632
Location: Chester le Street
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Re: wiring led side repeaters If you are wiring the LED repeaters in parallel with the normal indicator bulbs there should be no problem. Their current draw is so small that a normal flasher unit won't even know they are there.
This is actually what causes the problem if you replace normal filament bulbs with LED's. They don't use enough current to operate a standard flasher unit so you need to wire resistors in parallel with them to increase the current draw or use an electronic flasher unit which is independent of the current in the circuit.
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| Sat Mar 12, 2011 6:29 pm |
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turbocox
Where is my Number Plate?
Joined: Mon Oct 01, 2007 7:25 pm
Posts: 974
Location: Near Milton Keynes
GTM: Cox/Coupe
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Re: wiring led side repeaters Tim is this what we were talking about, On the BBC's dash ECU warning light  Smoke and tubes are not my forte as some of you know  
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| Mon Mar 14, 2011 9:24 am |
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Tim Rowe (1130)
The Terrible Tims
Joined: Fri Sep 28, 2007 7:56 pm
Posts: 747
Location: In the garage,Sileby, LEICS
GTM: Cox/Coupe
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Re: wiring led side repeaters turbocox wrote: Tim is this what we were talking about, On the BBC's dash ECU warning light Smoke and tubes are not my forte as some of you know No, more like the alternator problem in the coupe section. The lamp in the dash conducts in one direction, to excite the alternator but the opposite direction when it goes over voltage. You were using an led, which only conducts in one direction. You need to add a lamp, to make it work correctly. Give me a shout Stuart, if you need to sort it out still.
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Tim Rowe
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| Tue Apr 19, 2011 9:53 pm |
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gtmdriver
On the Road
Joined: Tue Oct 30, 2007 8:44 am
Posts: 632
Location: Chester le Street
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Re: wiring led side repeaters You can still use the LED if you wire a 100 ohm resistor in parallel with it to bypass enough current to excite the alternator.
The resistor needs to be at least 2w power handling. 5w would be better.
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| Wed Apr 20, 2011 8:22 pm |
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