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210 Posts
I just changed the tail light bulbs in my 71 cougar and now the turn signals and brakes dont work. the old bulbs were rusted in so i had to pry them out. put new bulbs in and only the tail lights work. the bulbs are for the brakes and tail lights so i didnt get the wrong ones. what could be the problem? I only did the driver side. the pass side still works perfect.
