This thread contains all Electrical related DIY and threads of note. Please post here if you have anything to add!
DIY
Installing heated mirrors
BE/BH HID conversion
BE/BH DRL disable
BD/BG/BK DRL disable
BD/BG JDM sidemarker install
97-99 JDM Headlight install
97-99 JDM foglight install
Interior bulb replacement
Dual power outlet install
Grounding kit install
Wiring through your firewall
HID TSX projector retrofit
HID FX35 retrofit for BE/BH
Threads of note
Bulb and how long yours lasted?
Bulb replacement
97-99 JDM foglight install help
JDM projector headlights
Foglight wiring questions
Custom grounding kit
HKS grounding kit install
96-99 ej25d pinout
Subaru electrical connector master thread
3rd Gen JDM Bulb types around the car