ok, i give up...... gotta ask more questions

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my turn signals work, my park lights work, but my brake lights don't. it isn't a ground, i ran a 20 foot piece of wire from the battery to the housing and they still don't light up. there is 12v of power to the brake switch and the switch is good, but there is no power at the fuse, which is also good (brand new). what am i still missing?
Indy
