Sterling Posted April 13, 2021 Report Share Posted April 13, 2021 Currently have my g4+ xtreme getting power to the +14v (pin 5 I think) on the A Loom, and have the coils and injectors spliced I to that wire as well I added an ethanol content sensor and ran that to the 14v (pin 5) on B Loom but it doesn’t seem to be working. Question is: Should they all be sharing the A Loom pin 5 or do I move the injectors and coil power to B Loom and change some settings? Just want to make sure no stored voltage from coil or injector back feeds ecu thanks Quote Link to comment Share on other sites More sharing options...
Adamw Posted April 13, 2021 Report Share Posted April 13, 2021 Pin B5 is the supply to the ecu for the E-throttle driver (or aux 9/10), nothing can be powered by that pin. Typically injectors, solenoids and other 12V sensors will all be powered from the main relay along with pin A5. Ignition coils may be from that same main relay or sometimes may have their own relay as shown below depending on total current required. Quote Link to comment Share on other sites More sharing options...
Sterling Posted April 13, 2021 Author Report Share Posted April 13, 2021 In my case they all run through the main relay because the main relay powers pin A5 and splices into injectors and coils. I’ll add ethanol content to that tomorrow. thanks Quote Link to comment Share on other sites More sharing options...
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