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thanks for the advice, I will document everything as you said

I think I can do the soldering myself but I might talk to my brother or my uncle, they know more about this than me, thanks for your time it was really helpful, and I will follow your advice, have a great day!

Thanks for answering so fast, so, would you recommend to buy the 3 pickups without the wiring kit? and basically I would have to follow the wiring that my guitar already has to make it work?

Hello everyone, I have some questions I hope you guys can answer, since I'm new to guitar modifications or customization. I bought this Ibanez Gio GRG250DX two years ago and I want to upgrade the pickups http://www.ibanez.co.jp/products/eg_page15.php?year=2015&area_id=3&cat_id=1&series_id=9&data_id=191&color=CL01 Since it came with passive pickups I'd like it to have new passive pickups, I was thinking about buying EMGs, H4, H4a and S3 http://www.emgpickups.com/guitar/humbucking/passive-humbucking/h4.html http://www.emgpickups.com/guitar/humbucking/passive-humbucking/h4a.html http://www.emgpickups.com/guitar/single-coil/passive/s3.html I was wondering if I can install the 3 passive pickups with this wiring kit, or if is it possible to install 3 EMG passive pickups, I've been searching on google for diagrams but I can't find one that has an HSH guitar, and mostly the ones I find are for active pickups or just 2 passive pickups http://www.emgpickups.com/accessories/wiring-kits/wiring-kits/3-pickup-wiring-kit.html