Izzy Posted January 12 Report Share Posted January 12 So basically I had my 2004 SG XT Forester sitting and my father tried to move it but ended up swapping the active and negative on the battery. The 100A main fuse blew and the car wouldn't do anything so I replaced that with a new one. the car then would now turn on, however the fuel pump wont stop priming, when cranking the car struggles to start and then when started the car runs horrendously. all the while I'm unable to connect to the ECU which is a G4x WRX104X Plugin. I have looked at all other trouble shooting, So to answer the questions you have. Yes I used to be able to connect to the ecu, the car was driving prior. there is a bright blue light on my ecu when ignition is switched to the on position (it disappears when cranking), yes I've changed the comport around, Yes it does still appear in my laptops connected devices. and yes all software has been uninstalled (drivers included) and reinstalled onto my laptop. is my ecu fried? There was no visual signs of burn or scorching, the only thing that has me worried is a funky smell when opened up from the case. If anyone I could get some help with what I should do next or any other solutions that would be amazing. Quote Link to comment Share on other sites More sharing options...
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