2005 1050 No Spark after Rectifier/Regulator change - Triumph Forum: Triumph Rat Motorcycle Forums
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post #1 of 70 (permalink) Old 10-04-2019, 07:47 AM Thread Starter
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Unhappy 2005 1050 No Spark after Rectifier/Regulator change

Hi all
I've a 2005, 1050 S3, and last week my bike stopped charging.
It's my main transort and I had to use it to get to work and back, so I carried a charger with me and charged the battery at each end of my commute till the new Rec/Regulator came.
This week my commute was furthwer away and on the last journey it spluttered and the dials spun round, then stopped. I assumed the new Rextifier/Regulator and fresh battery would start it again, but unfortunately not.
I've read a fair few threads about No Spark, but couldn't find one that talked me through how to chase whether the issue is a coil, the Ecu or a pickup; -(-or something else!)
Can anyone link me up? or if you have the time, write up a troubleshoot for my problem please?
Also, do you think running the bike without a working Rectifier / Regulator could have done electrical damage elsewhere?
Thanks for any help
GC
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post #2 of 70 (permalink) Old 10-04-2019, 01:07 PM
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Quote:
Originally Posted by GC1971 View Post
Hi all
I've a 2005, 1050 S3, and last week my bike stopped charging.
It's my main transort and I had to use it to get to work and back, so I carried a charger with me and charged the battery at each end of my commute till the new Rec/Regulator came.
This week my commute was furthwer away and on the last journey it spluttered and the dials spun round, then stopped.
At that point the battery was empty, no wonder.



Quote:
I assumed the new Rectifier/Regulator and fresh battery would start it again, but unfortunately not.
I've read a fair few threads about No Spark, but couldn't find one that talked me through how to chase whether the issue is a coil, the Ecu or a pickup; -(-or something else!)
Can anyone link me up? or if you have the time, write up a troubleshoot for my problem please?
Also, do you think running the bike without a working Rectifier / Regulator could have done electrical damage elsewhere?
Thanks for any help
GC
Yes but only if the RR was delivering a voltage so high that it could have damage the ECU.


What are exactly the symptoms? Can you shoot a video?


Fred
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post #3 of 70 (permalink) Old 10-05-2019, 04:06 AM Thread Starter
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Thanks Fred.
So last week it didn't start out of the blue, it didn't have enough charge to spin over fast enough, so initially I thought I must have left the ignition in parking light mode, and I charged my battery and it started fine.
It didn't start the next time I came to it, so I checked whether the battery was getting charged when it was running, to find out it wasn't.
I ordered a new rectifier/regulator and rode to work a couple of times with my battery charger in my bag, and charged the battery each end of my commute.
The last time I used it I went further than normal, and it started to splutter; the dials spun around; then it died. This last time the tacho actually stuck at 8k if that helps identify things.
I got it home, then recharged the battery (it's new at this point), and put the new rectifier/regulator on, thinking it would start.
Now it's got no spark, and I'm not sure how to go about problem solving where the issue might be. I've read about various things, like checking the pump relay, whether the injectors and coils have 12v and to check the stator, but could do with a pointer on how to do it!
Thanks a lot
Gc
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post #4 of 70 (permalink) Old 10-05-2019, 04:58 AM
SuperBike
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You may first to connect tuneECU. It will tell whether the ECU is still alive.
When I was referring to symptoms It was about the symptoms now.

What is the current status (thoroughly)?



Fred
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post #5 of 70 (permalink) Old 10-05-2019, 05:28 AM Thread Starter
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I've got a good battery on it, the bike will spin over, but not start. I pulled a plug and checked if it's sparking but there's nothing. ☹️
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post #6 of 70 (permalink) Old 10-05-2019, 05:41 AM
SuperBike
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Can you post a video? The ECU needs a minimum rotation speed. If not, if won't do anything.
Does the dash needles do their dance when turning the key?
Does it accept to crank over only after the dance is finished?


If so that means the ECU still controls the starting relay ground (no ground when dancing), and so it's alive.



Fred
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post #7 of 70 (permalink) Old 10-05-2019, 05:48 AM Thread Starter
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Also, There is 12.87v across the battery, (10.85 When cracking). when I switch ignition on I get neutral, oil and engine light plus the tacho sweep, and the pump prime noisr plus and there is 2 district clicks from the relays.
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post #8 of 70 (permalink) Old 10-05-2019, 05:59 AM
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If the pump primes the ECU is alive. So a video please.


Fred
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post #9 of 70 (permalink) Old 10-05-2019, 06:08 AM Thread Starter
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All the fuses are okay and passing 12v, but I've just noticed an unplugged connector behind the air intakes. I can't see anything it should be plugged into however..
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post #10 of 70 (permalink) Old 10-05-2019, 06:18 AM Thread Starter
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Sure, -what do you want to see Fred?
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