Rbmadhead Posted June 22, 2017 Report Share Posted June 22, 2017 Hi running a rb26 r32gtr and want to run external map sensor bought aem and was going to use the afm wireing is it easy to swap over from internal to external any help appreciated Quote Link to comment Share on other sites More sharing options...
Brad Burnett Posted June 22, 2017 Report Share Posted June 22, 2017 Only problem I foresee, is that the Maf wiring doesn't have a 5v ref in it. It uses 12v from the eccs relay.Other than that, the swap is pretty straight forward. Just turn off the internal and set up the external. Don't forget to recalibrate the map sensor and store. Quote Link to comment Share on other sites More sharing options...
Rbmadhead Posted June 22, 2017 Author Report Share Posted June 22, 2017 Is there a guide to it as new to this pal and I read you can use 1 of the afm wires as they no longer used cheers Quote Link to comment Share on other sites More sharing options...
Adamw Posted June 23, 2017 Report Share Posted June 23, 2017 As Brad says above the MAF connector is not the easiest option as you will have a find a 5V source from somewhere else.The easiest option is to buy the expansion harness which has the three wires you need. If you want to use the MAF connector then probably the easiest place to get 5V from will be the TP sensor. Quote Link to comment Share on other sites More sharing options...
Rbmadhead Posted June 23, 2017 Author Report Share Posted June 23, 2017 Has anybody got a link to the expansion harness I would need to buy as sounds a lot easier to do cheers Quote Link to comment Share on other sites More sharing options...
Adamw Posted June 23, 2017 Report Share Posted June 23, 2017 http://dealers.linkecu.com/XSL_2 Quote Link to comment Share on other sites More sharing options...
Rbmadhead Posted June 24, 2017 Author Report Share Posted June 24, 2017 Hi checked and the wireing from the old afm is 5v so can use that now how would I change over from internal to external cheers Quote Link to comment Share on other sites More sharing options...
Rbmadhead Posted June 24, 2017 Author Report Share Posted June 24, 2017 I've read u can fit a internal 7 bar map sensor is this poss and who would I get to do it any recommendations local to midlands thanks Quote Link to comment Share on other sites More sharing options...
Adamw Posted June 25, 2017 Report Share Posted June 25, 2017 Hi checked and the wireing from the old afm is 5v so can use that now how would I change over from internal to external cheersAs Brad and I have already said above, there is no 5V supply at the standard MAF connector. There is a 0-5V "output", but not a 5V regulated power supply. I've read u can fit a internal 7 bar map sensor is this poss and who would I get to do it any recommendations local to midlands thanks It would need to come back to us in New Zealand to have a 7Bar internal sensor fitted. Your easiest/cheapest options are those given post #4 above. Quote Link to comment Share on other sites More sharing options...
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