Replacing ALL the Sensors and Relays for the late years of the Dominator 961 and Commando 961

Hello guys,

I would like to replace ALL the sensors and relays and what ever else is necessary to replace to avoid future issues on my Dominator 961 year 2020.

I have ZERO understanding In mechanics. All the short technical codes that are used here and technical post I read are 100% like Chinese to me, I absolutely don’t understand anything I Really need your help guys!

Also the problem is that the sensors and relays that listed here all over the place are for older 2010 961 until later on… I know Norton have made some improvements in the next years until the end SO I DONT KNOW What exactly I need for my year 2020…

Can I please ask for your help in helping me to know ALL the sensors and relays and the other parts that I better replace now on my Dominator?

If we can make a list for older and newer 961 of sensors and relays that we should replace I’m sure it will help everyone here.

Thank you in advance!

So, my opinion for what it’s worth.

Sensor issues can be like a dart board if you can’t diagnose them. The practise usually involves, there’s something wrong, so I swap this, that didn’t work, I’ll swap that. This is why people struggle with EFI in general - cause the can’t see or clearly diagnose a problem.

You already are struggling with an ecu you can’t tune or read. Add up the price of the sensors Vs the price of an SCS Delta 400 and you’ll find you’re a chunk of the way towards it.

If you have that, you’ll be able to tune the bike, and also have a chance at using the software to diagnose a sensor fault when (or if) you have one. If you don’t do the work yourself, the money you will save at your mechanics might be worth it too.

Gojuu said:

So, my opinion for what it’s worth.

Sensor issues can be like a dart board if you can’t diagnose them. The practise usually involves, there’s something wrong, so I swap this, that didn’t work, I’ll swap that. This is why people struggle with EFI in general - cause the can’t see or clearly diagnose a problem.

You already are struggling with an ecu you can’t tune or read. Add up the price of the sensors Vs the price of an SCS Delta 400 and you’ll find you’re a chunk of the way towards it.

If you have that, you’ll be able to tune the bike, and also have a chance at using the software to diagnose a sensor fault when (or if) you have one. If you don’t do the work yourself, the money you will save at your mechanics might be worth it too.

Click to expand...

Thanks Gojuu,

As I understand the sensors and relays and a few other things installed on the 961 are of very low quality and causes to many failures.
I prefer as many here not to wait for a sensor failure and replace all that garbage in advance and sooner the better.

I'm not going to put the SCS (for now). BUT even with the SCS these sensors and relays are still garbage...

Anyway, first step for me is to replace all the sensors and relays.

Gojuu said:

So, my opinion for what it’s worth.

Sensor issues can be like a dart board if you can’t diagnose them. The practise usually involves, there’s something wrong, so I swap this, that didn’t work, I’ll swap that. This is why people struggle with EFI in general - cause the can’t see or clearly diagnose a problem.

You already are struggling with an ecu you can’t tune or read. Add up the price of the sensors Vs the price of an SCS Delta 400 and you’ll find you’re a chunk of the way towards it.

If you have that, you’ll be able to tune the bike, and also have a chance at using the software to diagnose a sensor fault when (or if) you have one. If you don’t do the work yourself, the money you will save at your mechanics might be worth it too.

Click to expand...

All ECU Vehicles can be diagnosed with a simple digital multi meter. All EFI is, is wires, volts, and sensor.

If you know how to read a multi meter, you can diagnose a EFI / ECU.
ALL a scanner is, is a glorified multi meter.
I have 3 scanners ranging from $2500 all the way to $25,000.
The main expenses are the scanners capabilities and the tools (amp clamp, scope, probes, etc) that go along with them. Along with the manufacture programs.

Many of the cars I work on now, require a subscription to the vehicle manufacturer just to be able to scan the codes that are stored in the ECU.

Some manufacturers charge $50 per year and some are up to $500 per year. It’s getting ridiculous.

I have a fluke multi meter with me more than a scanner most of the time.

@Voodooo yes, but that’s only part of the story. How many times have you tested a sensor and - until there is a load, heat, vibration or other factor it tests fine. Also - EFI is also logic. If you can see the ECU making a change to an output due to the data it gets from an input - at least you know what it was. A scanner is very different from ecu specific software.

Voodooo knows more than me, I’m still a new owner. In a relatively short ownership period I have hoarded every sensor, relay, and electrical component - even down to a spare harness and alternator. The majority of them still sit in boxes. The best value change I have made by far is the ecu.

Gojuu said:

@Voodooo yes, but that’s only part of the story. How many times have you tested a sensor and - until there is a load, heat, vibration or other factor it tests fine. Also - EFI is also logic. If you can see the ECU making a change to an output due to the data it gets from an input - at least you know what it was. A scanner is very different from ecu specific software.

Voodooo knows more than me, I’m still a new owner. In a relatively short ownership period I have hoarded every sensor, relay, and electrical component - even down to a spare harness and alternator. The majority of them still sit in boxes. The best value change I have made by far is the ecu.

Click to expand...

Note-to-self!

If/when my electronics go ‘tits-up’, call Gj! He has all of the fizzwhizbangery and can be bought cheaply with a couple of cold Carltons!!

It’s not what you know………..!

Gojuu said:

@Voodooo yes, but that’s only part of the story. How many times have you tested a sensor and - until there is a load, heat, vibration or other factor it tests fine. Also - EFI is also logic. If you can see the ECU making a change to an output due to the data it gets from an input - at least you know what it was. A scanner is very different from ecu specific software.

Voodooo knows more than me, I’m still a new owner. In a relatively short ownership period I have hoarded every sensor, relay, and electrical component - even down to a spare harness and alternator. The majority of them still sit in boxes. The best value change I have made by far is the ecu.

Click to expand...

What year is your bike?
To what ECU you changed?

Stephen_Spencer said:

Note-to-self!

If/when my electronics go ‘tits-up’, call Gj! He has all of the fizzwhizbangery and can be bought cheaply with a couple of cold Carltons!!

It’s not what you know………..!

Click to expand...

At least you noted that Carlton was buying me cheaply.

NortonDominator2020 said:

What year is your bike?
To what ECU you changed?

Click to expand...

A 2015, so much earlier. I’m less familiar with your model, but believe you’d have a map sensor, ABS, and other changes my bike doesn’t.

The ECU I have is a SCS Delta 400s, swapped from an SCS model, not an OMEX. I understand that swap is possible, but can’t comment directly as I haven’t done it.

Gojuu said:

@Voodooo yes, but that’s only part of the story. How many times have you tested a sensor and - until there is a load, heat, vibration or other factor it tests fine. Also - EFI is also logic. If you can see the ECU making a change to an output due to the data it gets from an input - at least you know what it was. A scanner is very different from ecu specific software.

Voodooo knows more than me, I’m still a new owner. In a relatively short ownership period I have hoarded every sensor, relay, and electrical component - even down to a spare harness and alternator. The majority of them still sit in boxes. The best value change I have made by far is the ecu.

Click to expand...

A scanner (not a code reader) is definitely a useful tool. But like a code reader, it only points you to the direction of what the cause “could be”.
It’s not a definite answer all the time.

It is a faster way of finding what may be the cause, But if one doesn’t know how to read or diagnose the problems / symptoms it’s a pointless tool.

Today they’re called “ technicians”.
Because of all the electronics now used on vehicles.

Years ago they’re called mechanics because everything was mainly mechanical.

I see many technicians today that couldn’t tell you how to adjust a solid lifter cam, how to adjust a carburetor, how to set points, how to set dwell etc.

But that also goes for mechanics that don’t know how to lock out a cam phaser, tune a ECU, diagnose a crank sensor or do a relearn etc.

Gojuu said:

A 2015, so much earlier. I’m less familiar with your model, but believe you’d have a map sensor, ABS, and other changes my bike doesn’t.

The ECU I have is a SCS Delta 400s, swapped from an SCS model, not an OMEX. I understand that swap is possible, but can’t comment directly as I haven’t done it.

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I have emailed SCS Delta about this more than a year ago . The topic was Norton 961 Euro 4 conversion harness plug to work with the Delta 400s . He said they now have the conversion harness ready for sale . If I am not mistaken there was mention of a Euro 4 Norton converting to the Delta 400 somewhere on this forum. The best way to move forward with this is to contact SCS Delta directly via email .

Voodooo said:

A scanner (not a code reader) is definitely a useful tool. But like a code reader, it only points you to the direction of what the cause “could be”.
It’s not a definite answer all the time.

It is a faster way of finding what may be the cause, But if one doesn’t know how to read or diagnose the problems / symptoms it’s a pointless tool.

Today they’re called “ technicians”.
Because of all the electronics now used on vehicles.

Years ago they’re called mechanics because everything was mainly mechanical.

I see many technicians today that couldn’t tell you how to adjust a solid lifter cam, how to adjust a carburetor, how to set points, how to set dwell etc.

But that also goes for mechanics that don’t know how to lock out a cam phaser, tune a ECU, diagnose a crank sensor or do a relearn etc.

Click to expand...

But then you get older technicians, who started out on mechanical. I served my apprenticeship on DeTomaso Pantera's...started there Saturday mornings when I was 12, then full time after leaving school at 16 until was 20. Then through various independents, onto franchise dealerships, working up to Ford Master tech until I quit in 2014.
Bloody don't like modern cars though, frustratingly cheap under the skin nowadays.

Stu Bodycote said:

But then you get older technicians, who started out on mechanical. I served my apprenticeship on DeTomaso Pantera's...started there Saturday mornings when I was 12, then full time after leaving school at 16 until was 20. Then through various independents, onto franchise dealerships, working up to Ford Master tech until I quit in 2014.
Bloody don't like modern cars though, frustratingly cheap under the skin nowadays.

Click to expand...

I’ve been in the auto mechanic business basically all my life as my dad owned an auto body and auto mechanic shop for over 50 years.

I also did tool and die work, starting as an apprentice at 13 on conventional machinery for 6 years then into cnc.
After a few years, I went out and ventured on my own and started my own business.

I have friends who are tool and die makers and they know absolutely zero about how to even use a Bridgeport conventional mill or lathe.

I believe the best mechanics, machinists, carpenters, etc all come from the days before computers and know how to do both and know the benefits of both methods.