jono smith Posted July 27, 2013 Report Share Posted July 27, 2013 Â hi all, i have a question....how close is too close? i've read the manual and i know it says to not mount the coils/igniters on or next to the ecu. the coils i have are inbuilt igniter type. this is about the only location i could find that would work as i really do not want them in the engine bay, i think this is the best compromise between lead length and hidden coils. just want to make sure this is workable. will this cause interferance with the ecu at this distance? also i was thinking if i made sort of a faraday cage around them that might also help reduce interferance? the leads are going straight foward, behind the heater and away from the ecu. Quote Link to comment Share on other sites More sharing options...
Simon Posted July 28, 2013 Report Share Posted July 28, 2013 Chances are that will be fine. Only risk is if you do get interference issues you might have to move them. Quote Link to comment Share on other sites More sharing options...
jono smith Posted July 29, 2013 Author Report Share Posted July 29, 2013 Thats great, thanks. How would I know if it is getting interference? Â Also this is the diagram for my coils, I would just connect the pcm ground to the body of the car too, yes? http://i27.photobucket.com/albums/c159/foto_choppa/imagejpeg_2_zps871d8513.jpg Thanks Quote Link to comment Share on other sites More sharing options...
Simon Posted July 29, 2013 Report Share Posted July 29, 2013 Coil ground should go to the block as this will be a high current draw ground. The PCM ground can be grounded to the ECU signal ground. Interference will normall cause connection issues with the PC and in very bad cases trigger issues and misfires when running. Quote Link to comment Share on other sites More sharing options...
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