October 16th, 2023, 01:29 AM | #1 |
ninjette.org member
Name: Julian
Location: Jombang
Join Date: Sep 2023 Motorcycle(s): Ninja 250R Posts: 16
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Turn signal indicator not working
Hi there.. been trying to fix my turn signal indicator on my ‘11 ninja 250R
I check the bulb. Its fine I check contonuity the dashboard cable from its connector and its also fine I digging arround the bike and just notice that one of two diode in the battery area was missing And also the previous owner was installing 3in1 stoplamp/tail light and he messing arround the wiring in the back area. Just wondering if this missing diode was related to the turn signal indicator not working? And btw the turn signal it self was working fine. Just the indicator in the dashboard did not work. |
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October 18th, 2023, 04:10 AM | #2 |
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MOTY - 2018, MOTM - Nov '17
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No, missing diode only used in headlight and starter circuit.
Does highbeam indicator work on clocks? |
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October 18th, 2023, 07:33 AM | #3 | |
ninjette.org member
Name: Julian
Location: Jombang
Join Date: Sep 2023 Motorcycle(s): Ninja 250R Posts: 16
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Quote:
And i also notice the headlight sometimes bright and sometimes a bit dimmer when iam on the complete dark road Yes the high beam indicator in the dashboard was also working fine Turn signal indicator was the only one that did not outputing any voltage |
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October 18th, 2023, 12:10 PM | #4 |
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Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
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Starter-solenoid is in proper location, under cross-bar that supports rear of petrol tank.
Does your headlight turn on with key ON, or only after you've cranked engine and it's running? PO may have bypassed Diode B to make headlights turn on with key. Ok, if all 4 winkers work properly, then there may be wiring problem after signal switch. Note there are TWO T-junctions after winker signal leaves switch. First splits signal to front & rear winkers. Second splits signal between front winkers and clock's signal indicator. We'll test 2nd junction to make sure signals are split properly. 2. trace L/R winker wires out of signal-switch to 2nd T-junction. Undo tape here to find 3-way crimp for each side. Are all 3-wires connected? - set signal-switch to LEFT, measure voltage at grn wire junction, does meter show blinking signal? - set signal-switch to RIGHT, measure voltage at gry wire junction, does meter show blinking signal? 3. trace L/R winker wires from 2nd T-junction to clocks, nothing broken? Remove indicator bulb. - set signal-switch to LEFT, measure voltage at grn wire at bulb-socket, does meter show blinking signal? - set signal-switch to RIGHT, measure voltage at gry wire bulb-socket, does meter show blinking signal? You may notice there's no ground for indicator bulb. It goes through other side's bulb for ground. Do you have LED winkers in front? It may be problem since higher resistance of LED may lower current-flow too much to light up indicator bulb. If you get blinking signal at each grn & gry wire at bulb socket, then that's issue. Look up "indicator diode" mod to add 3rd-wire to indicator bulb for dedicated ground. Or put OEM incandescent winker bulbs back in front and indicator will work properly again. Last futzed with by DannoXYZ; October 19th, 2023 at 11:54 AM. |
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October 19th, 2023, 01:23 PM | #5 | |
ninjette.org member
Name: Julian
Location: Jombang
Join Date: Sep 2023 Motorcycle(s): Ninja 250R Posts: 16
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Quote:
-Yes the headlight just turned on by ignition key (before i cranked the engine). Does bypassing the diode make it worse? Because i just notice the headlight fuse was somewhat swolen. It’s not blown yet tough and still pass continuity test -ok i’am gonna strip the bike to perform this wiring test. I give update soon when i found the problem -yes it use led front turn signal also |
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October 19th, 2023, 01:29 PM | #6 | |
ninjette.org member
Name: Julian
Location: Jombang
Join Date: Sep 2023 Motorcycle(s): Ninja 250R Posts: 16
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Quote:
-Yes the headlight just turned on by ignition key (before i cranked the engine). Does bypassing the diode make it worse? Because i just notice the headlight fuse was somewhat swolen. It’s not blown yet tough and still pass continuity test -ok i’am gonna strip the bike to perform this wiring test. I give update soon when i found the problem -yes it use led front turn signal also |
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October 22nd, 2023, 03:01 PM | #7 |
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MOTY - 2018, MOTM - Nov '17
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Very odd, not sure why some people modify wiring that's well-designed and working fine. Removing starter circuit relay and triggering starter-solenoid directly risks burning out start-button. Might only last 5-yrs.
Bypassing headlight diode makes zero sense. It provides more power to starter for better cranking power and only turns on headlight after engine is running. Maybe they never got engine running to realise this, eeediots! You can get indicator bulb working by installing dedicated ground wire and 2 diodes: https://www.ninjette.org/forums/showthread.php?t=76704 |
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October 28th, 2023, 02:50 PM | #8 | |
ninjette.org member
Name: Julian
Location: Jombang
Join Date: Sep 2023 Motorcycle(s): Ninja 250R Posts: 16
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Quote:
My bike has wiring diagram (indonesia) version which is slightly different than the others So it did not have headlight relay on diagram. (The one attached in the battery cover was actualy the starter circuit relay) But i’am still not sure about the missing diode B I think its related with start button and kill switch? I fix the turn signal indicator turns out there is a broken wiring at 2nd junction |
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October 28th, 2023, 02:51 PM | #9 | |
ninjette.org member
Name: Julian
Location: Jombang
Join Date: Sep 2023 Motorcycle(s): Ninja 250R Posts: 16
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Quote:
My bike has wiring diagram (indonesia) version which is slightly different than the others So it did not have headlight relay on diagram. (The one attached in the battery cover was actualy the starter circuit relay) But i’am still not sure about the missing diode B I think its related with start button and kill switch? I fix the turn signal indicator turns out there is a broken wiring at 2nd junction |
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November 2nd, 2023, 02:20 PM | #10 |
ninjette.org guru
Name: Bob
Location: Chicago
Join Date: Sep 2012 Motorcycle(s): '06 Ninja 250, 2018 Honda GL1800B Posts: 315
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Because the Ninja has only one turn signal indicator on the dash, that bulb is actually part of the turn signal circuit, and current flows through in different directions when the left and right signals are activated. Therefore, the system won’t work with LED turn signals. You need to install diodes in the system.
Something like this: https://youtu.be/7_6aXFOl4eE?si=S3yUn4wH0-JXYA6C |
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November 5th, 2023, 08:09 AM | #11 |
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The video link doesn't work for me. Are you sure of the link?
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November 24th, 2023, 05:32 PM | #12 | |
ninjette.org member
Name: Julian
Location: Jombang
Join Date: Sep 2023 Motorcycle(s): Ninja 250R Posts: 16
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Quote:
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