Having problems with your 2005 Mazda 3 ?
My brake lights wont work,i checked all the fuses,bought new bulbs,and bought a brake switch,and still nothing.my regular lights come on,just my brake lights dont work.dont no if this is part of the problem but my horn dont work,and it is stuck in park also.all this started happening after my check engine light came on.
Just had a similar problem. Brake (stop) lights and horn didn't work. Couldn't find mention of stop lights in fuse chart. Found horn fuse to be slot 21 in the engine fuse block (not the fuse block in car interior). Replaced 15A fuse and all now ok.
When you press the brake, do you hear any relays clicking? With that many problems I'd check for loose wiring harnesses under dash and at fuse box, anywhere you can get to also.
Repair Help & Product Troubleshooting for 2005 Mazda 3
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