Might be the transformer? I found out today my rear tube is bad so have to replace it and the transformer may be bad too.
RN
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Silver 2001 Limited Edition 5-speed, early build: far too many mods to list
2004 Subaru Impreza WRX STi - crank pulley, removed intake silencer, EBC, UTEC, rear swaybar and endlinks, 4-point harness
13.155 @ 102.02 mph - stock
http://www.schoolsubjects.com/sti/video/