 | Home > Technical > OBD port and Y pieces |
 
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| Lorryman100 Member Since: 01 Oct 2010 Location: Here Posts: 2686  |
You would need to disconnect the plug on the back of the scangauge before plugging anything into the other connection of the Y lead.
I have a Y lead which I purchased and never used because you don't really need one. When you plug in the OBD lead from the scangauge use a torx screwdriver to undo the OBD securing screw and push the complete socket and plug into the fusebox. This allows fitting of the fusebox cover with only a slight bulge. I then leave the screw in the dookit under the steering wheel so it does not get lost. To remove the scangauges OBD plug pull the complete assembly back into the mounting position and refit the screw before unplugging the scangauge. 
Brian. |
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9th Jan 2012 4:24pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7687 
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cheers for the confirmation Brian.
So i could fit a Y and then just unplug lead on the back of the scanguage, and have a the 2nd port from the Y there for the dealer to use. hence leaving the scanguage lead still connected and not needing to go in there and play around each time it goes to the dealer. Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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9th Jan 2012 4:26pm |
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| Lorryman100 Member Since: 01 Oct 2010 Location: Here Posts: 2686 |
Yes.
The only issue I see with this set up is that you would probably need to mount the other end of the Y lead in the same location as the original OBD socket so the dealer can find it when plugging in their diag gear.
Brian. |
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9th Jan 2012 4:29pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7687
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thats was my plan! will have to see what the ends look like! Cheers James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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9th Jan 2012 4:42pm |
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| jst Member Since: 14 Jan 2008 Location: Taunton Posts: 7687
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thank you. Cheers
James 110 XS Utility 130 Puma Station wagon/camper (in the making) 90 Puma Hardtop |
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9th Jan 2012 4:42pm |
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| WelshGas Member Since: 01 Oct 2010 Location: Vale of Glamorgan Posts: 935  
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If you want to have the Scangauge connected permenantly then just push the OBD socket backwards and to the right , behind the R Speaker, and plug in the OBD lead from the Scangauge.
If you want to connect the Scangauge and still be able to "easily" connect other diagnostic equipment, then get an OBD "Y" connector. Fit as above but push 1 limb of the Y back into the fusebox and through the original OBD hole and secure in place. [ I just pulled the OBD plug through the hole then used some gaffer tape wrapped around the base of the OBD plug and then pushed it back into the OBD hole and now I can unplug the Scanguage at the display unit and the Dealer can plug in his diagnostic unit as usual without any interference/complaints ] http://www.obd2-shop.eu/obd2yadapterto2xob...anguage=en LANDYWATCH 
Neighbourhood Watch for Land Rover Owners http://www.landywatch.co.uk/smf2/index.php |
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9th Jan 2012 7:24pm |
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| Kez Member Since: 11 Apr 2011 Location: UK Posts: 271 
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I bought one of these £11.27 inc delivery http://bit.ly/y4qts7
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10th Jan 2012 1:41pm |
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| TJ101 Member Since: 30 May 2007 Location: Taunton Somerset Posts: 3747 
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Think the question was,
If i fitted a Y piece into the OBD socket, one end to go to a Scangauge, the other end to replace the factory socket in the bracket could both ends be connected up at the same time, and would they work, ie info to the scangauge as well as to the dealer diagnostic tool at the same time ?? or would the scangauge need to be disconnected at the gauge end ? Can the OBD shares info to 2 units at the same time ? California F1, 75th 110 "Kermit", 50th Ann V8, 90 V8 Hybrid, 55 Series 1 Main Brian James Trailer Dealer for South West UK |
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10th Jan 2012 6:31pm |
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| Lorryman100 Member Since: 01 Oct 2010 Location: Here Posts: 2686 |
I would think No, as I would surmise that each tool would be in conflict with each other when they interrogated the relevant module ie EMS as the data would be requested by one tool and while this comms was in progress the other tool would not be able to communicate with that module so you may get one tool with comms and the other tool would show no comms with that module. There may be conflict issues within the module being interrogated by two tools, also the OBD socket supplies the power for the diag tools so powering two tools may be an issue. I would say that the scangauge would need to be disconnected at the gauge end before plugging anything else in. If anyone wishes to try using two tools at the same time could they post up what happened as I am not willing to test this theory? Brian. |
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10th Jan 2012 7:04pm |
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| TJ101 Member Since: 30 May 2007 Location: Taunton Somerset Posts: 3747
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Confirms what i though Brian from a past experience from memory Think I will also pass on being a guinea pig as well  California F1, 75th 110 "Kermit", 50th Ann V8, 90 V8 Hybrid, 55 Series 1
Main Brian James Trailer Dealer for South West UK |
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10th Jan 2012 7:12pm |
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