ace
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Posts: 12
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Post by ace on Dec 4, 2012 9:05:32 GMT
Hey, im Ace and im from Portugal! I just bought a 88 FZ750 2MG pretty cheap with only 18k KM's but the previous owner in order to get a bigger tire in the back swapped the whole back of the bike with one from a R6 (i think). I got the bike with no mirrors or turn signal lights so i had to order LED ones from ebay. It has a 180 tire at the back. So i got some LED turn lights. But right after i connected them they didnt work and they didnt even blink. As soon as i turn on the signals they both (the front ones ) just turn on and stay that way Worst than that is the problem that the previous owner didnt used any turn lignts so at the back i dont know where to connect them or even if he didnt cut the wires to it! By the way, can anyone give me the service manual to my bike? PS: Sorry for the bad english!
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ace
New Member
Posts: 12
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Post by ace on Dec 4, 2012 13:04:22 GMT
Well after i posted i went to a friends house to try to install the LED lights. We did find the wiring for the back turn lights and we instaled like this: Its working... but has 2 big problems: When you turn either the right or the left turn signals the 4 lights turn on!
When they are on, the seem to be permanent on, dont even blink or they blink so fast that i cant notice! But for that i have a LED relay that came with the lights kit, but i dont know where or how to install it... LED RELAY: Original flasher Relay: I just needed one tutorial like this one: www.gixxer.com/forums/showthread.php?t=238833
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Post by Crusty on Dec 4, 2012 18:28:28 GMT
You need to put a resistor in parallel (maybe in series, depending)to each led indicator to replace the bulb
From basic physics, Resistance = V squared /power(watts), so 12*12/5=28.8 ohms....
Anypne want to correct this? Have you measured the reistance of one of the indicators?
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Post by Crusty on Dec 4, 2012 18:39:58 GMT
Actually, I've just pulled out one of my old indicators and the are 21W soo
12*12/21 =6.85 ohm. You need each indicator to have a resistance of 6.85 ohms. Tell me what they actually arre and I'll tell what resistors you need to put in
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ace
New Member
Posts: 12
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Post by ace on Dec 4, 2012 18:59:52 GMT
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Post by Crusty on Dec 4, 2012 19:32:21 GMT
You could replace the relay but theres all sorts of wires going through it. It'll be easier to add resistors to the new ones
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Post by Crusty on Dec 4, 2012 19:43:50 GMT
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Post by Crusty on Dec 4, 2012 20:03:38 GMT
Just realised that the indicators at the front on this are american spec, ignore the blue wire to them.
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ace
New Member
Posts: 12
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Post by ace on Dec 4, 2012 20:19:14 GMT
Humm its weird since from what i recall the original relay only had 7 connections, but in the picture that you showed me it has 9...
I noticed the new LED relay has the symbols B and L that usually goes to B: Black and L: Blue
If i try it and connect the wrong wires, what could happen? Burn the original relay?!
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Post by Crusty on Dec 4, 2012 20:27:47 GMT
That's not the problem.
The problem is the fact that the ignition goes through the relay. Disconnet the wires, lose the ignition.
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Post by Crusty on Dec 4, 2012 22:17:05 GMT
Further issues you need to solve (if you are going to replace the relay) is that the relay isn't just a relay, it's a trasistorised "brain" that understands 4 inputs from the switch. Left, right, pushing the button from the left and pushing the button from the right.
It would be far easier to get the led indicators working with the original relay.
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ace
New Member
Posts: 12
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Post by ace on Dec 6, 2012 0:43:05 GMT
So i got to put a resistor in each one of the lights right? Like this?: Btw sorry for bothering you so much and my lack of knowledge!
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Post by Crusty on Dec 6, 2012 18:38:35 GMT
I just measured one of my original ones and it came out at 2.5 ohms.
You need to find out what the resistance of the new ones are, test across the two terminals of the indicator.
Has anyone else measured the resistance of their indicators, just incase my meter is indicating wrong?
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Post by Crusty on Dec 6, 2012 19:00:41 GMT
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ace
New Member
Posts: 12
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Post by ace on Dec 6, 2012 21:03:52 GMT
Ok ill try to find it in the nearest electronic shop, otherwise i will order those! Ill post the result, maybe after the holidays
Thanks, you rock. ;D
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