I need to know why the brake lights on my Mazda 626 year model 2000 will not work. Tail lights, turn signals work; the fuse works, the cruise & horn are on the same fuse. I have tracked it to the brakes only so what I need is a wiring diagram and know what color wire I am tracing; can you help me???????
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I know the answer to this. I just fixed my in laws 1999 626 with your exact problem. Power comes through the brake switch, and into what they call a "joint box". Basically this joint box is the back side of your fuse box where all the connectors go. Most likely you have a bad box, or connection at the box. It is the only other thing between your brake switch and rear brake lights.
The cruise control is terminated by the brake lamp circuit, Check the brake, tail lamp for water or a short. Your turn signals are on a different circuit. Check the bulb sockets closely for corrosion. Failing this check connectors for the tail lights for possible water penetration, or loose connections.
The Tail Lights Are Accessed From The Inside Of The Trunk There Will Either Be A Panel Immediately Behind Where The Light Is Or Carpet. Remove It And It Will Give You Access To The Rear Of The Bolts Just Grab Twist And Pull And The Light Will Come Out.