2019/2020 Starter Problem and Wiring Harness Fix

Woe unto you that bought the first model year of a major remake, perhaps this section can help address any 2014 and later model Ural "imperfections". Here's a special section for folks with the latest rigs to discuss 2014 and later model-related topics such fuel injection, 3-wheel disc brakes, hydraulic steering dampers, spin-on oil filters and other anomalies that don't belong on true Russsian motorcycle ;-P We've gone from using big hammers and greasy wrenches to needing computers and Ouija boards in order to fix our rigs.
Forum rules
Please keep this section specific to issues pertaining to 2014 and later models such as fuel injection, sidecar and rear disc brakes and so forth. Ask general or non-2014 and later specific questions in the main Hammerin' & Wrenchin' section.
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aduthie
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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by aduthie » Sun Oct 18, 2020 12:45 am

I've been using Posi-taps to simplify the job. It's a good product that I've never encountered any problems with, once I learned to install them reliably.
Andrew Duthie / Nashville Motorcycle Repair / Nashville, TN

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Geckoboy49
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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by Geckoboy49 » Sun Oct 18, 2020 12:11 pm

Thanks for your input on the T-tap connector; I see it wouldn't be suitable for this kind of connection where higher voltages are involved.
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Then: Assorted Harleys, Kawa Z1000, Kawa KLR 650 x2, Suzuki DRZ400, assorted dirtbikes

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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by RC20 » Tue Oct 20, 2020 3:29 pm

I am not sold on Posi Tap for the link as its not full wire conducting contact.

I did use it on the tap for the Tach, but that is almost no current flow.

Note: Its not voltage at issue, its current. 12 volt requires more current to get things done that 120 volts.
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Formerly Owned: ( various rides on others)
Honda 90
2 x CB750K (one a true Japan Model flown to Hawaii by a P3 Orion Sub Patrol Aircraft!)
1 x CB700 SC ala Shaft Drive Nighthawk S (RC20 is the actual in house production Model)
1 x R80GS (ok to start with, learned to love it for what it was)
1 x CB450K

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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by Rick405 » Mon Nov 02, 2020 5:05 pm

The factory wiring diagram isn't the greatest but it looks like after this mod is made the starter button/relay is directly wired to the battery. This would make the starter button work with the key off. Is that the case or am I reading the diagram incorrectly?
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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by heindlengineeringural » Tue Nov 03, 2020 5:45 pm

There are many different ways to splice, but do yourself a favor and make sure that your method is weather tight......one drop of corrosive water = broken wire within a year.
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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by Rick405 » Tue Nov 03, 2020 6:39 pm

I answered my own question. I did the mod and everything works as it should. Including starting on the first push of the button.

I added a short length of wire to the yellow wire at A1. I solder my connections and there would have been constant tension on the crimp connection on the socket within the connector because the yellow wire would now be shorter than all of the other wires going into the connector. I use heat shrink with adhesive lining. When you heat the tubing the adhesive melts and seals the tubing to the wire.

I'm sure glad I found this post. I have been dealing with the intermittent starter problem for some time. I determined it wasn't the battery or the charging system. I was about to order a starter relay thinking it may be bad. Found the mod and everything seems to be working fine. Thanks to SS and tubarick.
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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by Bar None » Wed Nov 04, 2020 1:22 pm

Download the instructions from Jason at Ural.
Wiring Harness Change for Starter (1) (2).pdf
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Owned a 2012 Yamal and a 2015 cT in the past.
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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by Bar None » Fri Dec 11, 2020 10:08 am

Moderators,
I know it was suggested before that we have a separate topic for 2019 and later Urals but rejected but please reconsider. I think that it would benefit all Ural owners here.
Vince in Fort Myers,FL or Robbinsville,NC
Owned a 2012 Yamal and a 2015 cT in the past.
2021 Ural cT
2020 Ice Bear Vision 150 scooter for sale as I don't need two bikes.

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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by windmill » Fri Dec 11, 2020 11:06 am

Bar None wrote:
Fri Dec 11, 2020 10:08 am
Moderators,
I know it was suggested before that we have a separate topic for 2019 and later Urals but rejected but please reconsider. I think that it would benefit all Ural owners here.
I agree, having them together has caused confusion.
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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by Yoggie » Fri Dec 11, 2020 2:41 pm

windmill wrote:
Fri Dec 11, 2020 11:06 am
Bar None wrote:
Fri Dec 11, 2020 10:08 am
Moderators,
I know it was suggested before that we have a separate topic for 2019 and later Urals but rejected but please reconsider. I think that it would benefit all Ural owners here.
I agree, having them together has caused confusion.
Concur. My personal preference would be below.
1. General
2. Carb
3. 2014-2018
4. 2019 - Next major change

To be honest, I am mixed on general as most of what comes across as general is probably generation specific enough that it should be in one of the other three, or it is a modification for the modification forum.
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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by RC20 » Fri Dec 11, 2020 7:18 pm

There are many different ways to splice, but do yourself a favor and make sure that your method is weather tight......one drop of corrosive water = broken wire within a year.
Full on board agreement. There are marine crimp terminals you can get as well.

Solder in the 120 world is persona non grate per code now. The junction resistance could cause issues.

I don't know that is a 12 volt issue and the flip is its pretty well going to keep corrosion to the surface.

When I used the Posi Tap for the coil to the tach I sealed with anti oz.

Being an experience North Climate hand, block and circulating heaters are a way of life as is ripping the plug off (usually in a snow bank but sometimes pulling away without unplugging).

Yes you can and I do put new ends on (they would hang you now if you did that at work).

Upshot is I have tracked corrosion all the way up to the heater or pad heater. Its not fatal but its a factor and can cause a meltdown and or fire.

One advantage is you are under a cover, helps, not a full cure.

No claims on 12 volts, just caution was noted by Heindle.
Fear No Gravel
Formerly Owned: ( various rides on others)
Honda 90
2 x CB750K (one a true Japan Model flown to Hawaii by a P3 Orion Sub Patrol Aircraft!)
1 x CB700 SC ala Shaft Drive Nighthawk S (RC20 is the actual in house production Model)
1 x R80GS (ok to start with, learned to love it for what it was)
1 x CB450K

Current:
1 x 2019 cT Terracotta

What I Did (I quit June 2 , 2019)
Mechanic/Technician/Engineer: Electro Mechanical Systems

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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by Bar None » Sun Dec 13, 2020 1:21 pm

Yoggie wrote:
Fri Dec 11, 2020 2:41 pm
windmill wrote:
Fri Dec 11, 2020 11:06 am
Bar None wrote:
Fri Dec 11, 2020 10:08 am
Moderators,
I know it was suggested before that we have a separate topic for 2019 and later Urals but rejected but please reconsider. I think that it would benefit all Ural owners here.
I agree, having them together has caused confusion.
Concur. My personal preference would be below.
1. General
2. Carb
3. 2014-2018
4. 2019 - Next major change

To be honest, I am mixed on general as most of what comes across as general is probably generation specific enough that it should be in one of the other three, or it is a modification for the modification forum.
Like your classifications.
Vince in Fort Myers,FL or Robbinsville,NC
Owned a 2012 Yamal and a 2015 cT in the past.
2021 Ural cT
2020 Ice Bear Vision 150 scooter for sale as I don't need two bikes.

stagewex
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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by stagewex » Sun Dec 13, 2020 4:07 pm

I don't even have an EFI rig, the older system or newer. But I agree that the 19's and up (isn't the 2020 & 2021 the same anyway) might have their separation just so folks can focus better on an issue or mod to their bike.

At the very least if it has to do with fuel injection should be at least separated. But perhaps only for the 2 different systems.
Many or the other issues or fix's that come up can be used across the Ural spectrum. A walnut is a walnut.


BTW: if anyone else uses "ural spectrum" just remember who said it first. Can't believe it myself :)
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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by Long Travel » Tue Dec 22, 2020 1:09 am

I strongly support the call for a separate forum topic for 2019 and later Urals. Now we have the 2020 models and soon 2021 there are going to be heaps of these on the road. It would be good to see information on how to change the in tank fuel filter and replacing or testing the fuel pump. I know it is easy to remove the injectors and check that there is a good pattern of fuel being squirted out. I would like to learn more about the fuel injection. I am not even sure where the ECU is located or how to fault find it if there was an issue.

I did the wiring harness modification quite a while ago. The intermittent starting issues wasn't happening until I had done about 5000km. I am assuming that after that (approximately 4 months) the battery was not holding quite as much charge as when it was new and thus causing the problem.

My 2019 Sahara is running great. I am recently back from a 10,500km outback trip in Australia. It was great timing with state borders closed for COVID, opening for only three weeks and then closing again. What an opportunity to do a trip, traveling into more isolated states with hardly any restrictions and with hardly any traffic on the road. With the big distances on that trip it did seem the bike ran better on 95 octane petrol than 98 octane.

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Re: 2019/2020 Starter Problem and Wiring Harness Fix

Post by Bar None » Tue Dec 22, 2020 10:41 am

Long Travel,
That was quite a long ride of 10,500 km ( 6524 miles in real distance :lol: ). Any issues? I am surprised that you could notice any difference in using 95 vs 98 octane. My 2021 Ural cT should be delivered soon.
Vince in Fort Myers,FL or Robbinsville,NC
Owned a 2012 Yamal and a 2015 cT in the past.
2021 Ural cT
2020 Ice Bear Vision 150 scooter for sale as I don't need two bikes.

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