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OBD pinouts, wiring etc #668894
25/10/20 10:33 AM
25/10/20 10:33 AM
Joined: Sep 2020
Posts: 12
Grange over Sands, Cumbria, UK...
Cumbriankeith Offline OP
New to Talk Morgan
Cumbriankeith  Offline OP
New to Talk Morgan

Joined: Sep 2020
Posts: 12
Grange over Sands, Cumbria, UK...
On my new-to-me 2017 Plus 4 the speedo is way over to the left, away from an easy glance to check one's speed.

So like others I've read about on TM, I thought I would fit a small discreet digital readout on the top of the steering column.

I acquired one with a nice easy-to-read display that simply plugs into the OBD port - and it worked perfectly in my tin-top (2014 Golf GTD). However, plugged into the Morgan, all the functions work except for the speed!

So am I right in assuming that the OBD on the GDI engine setup is not Euro OBD2? The instructions with the display showed a few different wiring protocols that involved changing/removing some of the pins - which I tried, but none of those options worked any better.

I have acquired another, solderable OBD plug - so I could rewire the lead to suit the Mog, if I only knew how (or even whether it's possible!) - ie which pinouts provide the speed sensing and so on.

Any OBD wiring/pinout experts out there, please?

Many thanks if you can help!


Keith
2017 Plus 4, lapis blue
Re: OBD pinouts, wiring etc [Re: Cumbriankeith] #668913
25/10/20 12:01 PM
25/10/20 12:01 PM
Joined: Feb 2016
Posts: 3,201
East Harling, Norfolk UK
Richard Wood Offline
Talk Morgan Addict
Richard Wood  Offline
Talk Morgan Addict

Joined: Feb 2016
Posts: 3,201
East Harling, Norfolk UK
Some useful stuff here from Wicki. As you can see there is plenty of manufacturers discretion on the pinout standards. Buying a Ford friendly OBDII Bluetooth adaptor seems to help therefore and setting up the display app to match of course.


Richard

2018 Roadster - Red/Magnolia - "Morton"
1966 Land Rover series 2a SWB
1960 Velocette Venom
Re: OBD pinouts, wiring etc [Re: Cumbriankeith] #668919
25/10/20 12:27 PM
25/10/20 12:27 PM
Joined: Jul 2007
Posts: 18,202
Suffolk
John V6 Offline
Member of the Inner Circle
John V6  Offline
Member of the Inner Circle

Joined: Jul 2007
Posts: 18,202
Suffolk
I bough a GPS speedo on flea bay. It connects to the USB port on the radio so comes on with the ignition. About £16.


JohnV6
2006 Indigo Blue Roadster S1
2014 Brooklands Edition Roadster "Brookland's Belle"
Re: OBD pinouts, wiring etc [Re: Richard Wood] #668922
25/10/20 12:35 PM
25/10/20 12:35 PM
Joined: Sep 2020
Posts: 12
Grange over Sands, Cumbria, UK...
Cumbriankeith Offline OP
New to Talk Morgan
Cumbriankeith  Offline OP
New to Talk Morgan

Joined: Sep 2020
Posts: 12
Grange over Sands, Cumbria, UK...
Originally Posted by Richard Wood
Some useful stuff here from Wicki. As you can see there is plenty of manufacturers discretion on the pinout standards. Buying a Ford friendly OBDII Bluetooth adaptor seems to help therefore and setting up the display app to match of course.


Thanks Richard. I'll look into that. Trying to keep it to a hard wired option rather than Bluetooth.


Keith
2017 Plus 4, lapis blue
Re: OBD pinouts, wiring etc [Re: Cumbriankeith] #668923
25/10/20 12:37 PM
25/10/20 12:37 PM
Joined: Nov 2016
Posts: 111
Thatcham
T
Tresco Offline
L - Learner Plates On
Tresco  Offline
L - Learner Plates On
T

Joined: Nov 2016
Posts: 111
Thatcham
I have a unit to plug in to the port with an app on the phone but that doesn’t show the speed either.


Ian

2019 +4 110 Anniversary Bentley Velvet Red.
Re: OBD pinouts, wiring etc [Re: John V6] #668924
25/10/20 12:37 PM
25/10/20 12:37 PM
Joined: Sep 2020
Posts: 12
Grange over Sands, Cumbria, UK...
Cumbriankeith Offline OP
New to Talk Morgan
Cumbriankeith  Offline OP
New to Talk Morgan

Joined: Sep 2020
Posts: 12
Grange over Sands, Cumbria, UK...
Originally Posted by John V6
I bough a GPS speedo on flea bay. It connects to the USB port on the radio so comes on with the ignition. About £16.

Thanks John. I actually tried one of those as well - the numeral font wasn't anywhere near as clear and readable as the OBD one.


Keith
2017 Plus 4, lapis blue
Re: OBD pinouts, wiring etc [Re: Cumbriankeith] #668926
25/10/20 12:45 PM
25/10/20 12:45 PM
Joined: Jul 2007
Posts: 18,202
Suffolk
John V6 Offline
Member of the Inner Circle
John V6  Offline
Member of the Inner Circle

Joined: Jul 2007
Posts: 18,202
Suffolk
If you use your phone there is also an app called GPS speedo.

I found on both Roadsters that one OBD rader I bought didn't work on fords. I have a cheap blue tooth dongle that works well with the Torque app


JohnV6
2006 Indigo Blue Roadster S1
2014 Brooklands Edition Roadster "Brookland's Belle"
Re: OBD pinouts, wiring etc [Re: Cumbriankeith] #668928
25/10/20 12:49 PM
25/10/20 12:49 PM
Joined: May 2012
Posts: 1,085
Sumerset
Rog Offline
Has a lot to Say!
Rog  Offline
Has a lot to Say!

Joined: May 2012
Posts: 1,085
Sumerset
Originally Posted by Cumbriankeith
(or even whether it's possible!)

Hi Keith
Not familiar with the GDI but would hazard a guess that the non-Ford MBE ECU doesn’t control the speedo over any of the OBD2 CAN protocols and perhaps the speedo grabs its pulses directly from the sensor on the front wheel hub?

Awaiting to be shot down..... smile


Roger
2011 Plus 4
Re: OBD pinouts, wiring etc [Re: John V6] #668949
25/10/20 02:51 PM
25/10/20 02:51 PM
Joined: Aug 2017
Posts: 288
Bergen, Norway
R
Robbie Mathisen Offline
Learner Plates Off!
Robbie Mathisen  Offline
Learner Plates Off!
R

Joined: Aug 2017
Posts: 288
Bergen, Norway
Originally Posted by John V6
If you use your phone there is also an app called GPS speedo.

I found on both Roadsters that one OBD rader I bought didn't work on fords. I have a cheap blue tooth dongle that works well with the Torque app

John, what is the brand of your functioning OBD reader? I have tried the ELM 327 on my Roadster S1, but no luck. Seems to connect in some way, but no readings. What is your solution?


Robbie the Norseman
2004 V6 Roadster
Sherwood green
Re: OBD pinouts, wiring etc [Re: Cumbriankeith] #668956
25/10/20 03:19 PM
25/10/20 03:19 PM
Joined: Jul 2007
Posts: 18,202
Suffolk
John V6 Offline
Member of the Inner Circle
John V6  Offline
Member of the Inner Circle

Joined: Jul 2007
Posts: 18,202
Suffolk
Robbie it was cheap one of ebay.
Sadly I can't search purchase history far back enough to find it.
Here is a

[Linked Image sorry about the glare from the polished bonnet.</div>
<br>

</div>

<div class=
JohnV6
2006 Indigo Blue Roadster S1
2014 Brooklands Edition Roadster "Brookland's Belle"
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