mellonman Posted July 4, 2012 Share Posted July 4, 2012 (edited) been having problems with fitting my new fuel pump and looks like i need to do a 12v mod to the pump, i see people talking about putting in realys incase of a crash-how would the car know you have been in a crash? does it normally cut out in a crash? anyway will this mod work safely http://www.mkiv.com/techarticles/12v_mod/12v_mod.htm Edited April 9, 2015 by mellonman making it easier to search for (see edit history) Quote Link to comment Share on other sites More sharing options...
mellonman Posted July 4, 2012 Author Share Posted July 4, 2012 (edited) or should you fit a relay something like this if so what relay size 12v or 9v Its a 12v relay like this tyco 4 pin with a 1.6 v release voltage http://www.ebay.co.uk/itm/Automotive-Relay-12V-70Amp-4-Pin-Normally-Open-Genuine-Tyco-TE-Part-/131106074235?hash=item1e8687ee7b:g:9SAAAMXQVT9S~gd5 Edited April 29, 2016 by mellonman (see edit history) Quote Link to comment Share on other sites More sharing options...
mellonman Posted July 4, 2012 Author Share Posted July 4, 2012 or should you fit a relay something like this [ATTACH=CONFIG]154221[/ATTACH] if so what relay size 12v or 9v this is the far better way to do a 12v mod as it still keeps the stock fuel cut out as its controled by the stock vaiable voltage Quote Link to comment Share on other sites More sharing options...
Pixelfill Posted July 4, 2012 Share Posted July 4, 2012 How long have you suffered from schizophrenia? Quote Link to comment Share on other sites More sharing options...
hodge Posted July 4, 2012 Share Posted July 4, 2012 Dude, fit a relay in there, then you can fit larger cable too so the pump get used to its potential. Quote Link to comment Share on other sites More sharing options...
mellonman Posted July 5, 2012 Author Share Posted July 5, 2012 (edited) How long have you suffered from schizophrenia? haha i was just completing the thread so if anyone did actually use the search button they would find the answer and a rather sexy clip art drawing I have fitted the relay as to my sexy diagram and it works just too add that for this mod you use a 12v 30 amp 4 pin automotive relay avaliable from your local maplins/motorfactors. But this tyco is better with the lower 1.6v drop out http://www.ebay.co.uk/itm/Automotive-Relay-12V-70Amp-4-Pin-Normally-Open-Genuine-Tyco-TE-Part-/131106074235?hash=item1e8687ee7b:g:9SAAAMXQVT9S~gd5 This relay can be fitted in the boot of the car in the spare wheel well, and the wires just run from the stock ecu thats in the side with the light rear arch Edited April 29, 2016 by mellonman (see edit history) Quote Link to comment Share on other sites More sharing options...
SupraTRD_MK4 Posted October 19, 2018 Share Posted October 19, 2018 Thanks for this mate. Really appreciated Quote Link to comment Share on other sites More sharing options...
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