Member Since: 16 Sep 2014
Location: Northeast
Posts: 111
Webasto Cable
Can one make a diagnostic cable to use with the free Webasto software out of a VGA cable and a couple of crocodile clips ?
6th Dec 2014 4:02 pm
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18552
Where would you be plugging the VGA cable?06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know!
6th Dec 2014 4:48 pm
Chris532
Member Since: 16 Sep 2014
Location: Northeast
Posts: 111
Id plug one end into the VGA port on my computer and then then the idea would be to cut the other end off and then try to find where to splice it into the FBH to use the free software.
I have seen it done with the OBDII connectors using three wires one to the battery live one to the ground and another the the red wire on the FBH.
6th Dec 2014 4:53 pm
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18552
The VGA port will be no good to you as it's for video/display.06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know!
6th Dec 2014 4:54 pm
Chris532
Member Since: 16 Sep 2014
Location: Northeast
Posts: 111
I see so there is no way it would communicate through the VGA with the program.
I also have the mongoose OBDII cable with the USB one end I'm having no luck with that to. I have connected it using three of the pins in the digram from here
Click image to enlarge
Am I correct in thinking there is 16 brown wire on here to battery live then black bottom left to earth then the red cable is spliced into the red cable on my FBH or is this far to straight forward and wishful thinking
6th Dec 2014 5:28 pm
Martin Site Admin and Owner
Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18552
Try pin 4 or 5 to earth (or both), some adapters are wired up slightly differently internally.
Have you seen www.disco3.co.uk/fbh ?06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know!
6th Dec 2014 5:35 pm
Chris532
Member Since: 16 Sep 2014
Location: Northeast
Posts: 111
Thanks Martin, ill try swapping the pins on the earth round and see if i have any luck the only com port the program is letting me select is 3 so not sure if this is correct to ill play around with it some more.
Thanks for that link it suggest I'm doing every thing correct but will try shifting the earth to see what happens
6th Dec 2014 5:42 pm
DiscoJake
Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429
Like Martin says try pin 4 for negative. I struggled for ages with pin 5 and then found a post suggesting 4 and it worked instantly.
Presume you have driver for obd installed and windows recognises the cable?
6th Dec 2014 6:07 pm
Chris532
Member Since: 16 Sep 2014
Location: Northeast
Posts: 111
Hi Jake i think you could be on to a winner with the driver I'm getting the dull dong sound when i plug it in so i don't think windows is recognising my cable
Now ill have to try and locate a driver
6th Dec 2014 6:10 pm
DiscoJake
Member Since: 23 Aug 2013
Location: Hereford
Posts: 1429
Good luck. That was my first struggle before the pins.
Windows 7 installed driver automatically but my old Xp laptop didn't want to know
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