GM-GMC: 92 gmc 1500 stepside, gmc 1500, stepside

Question
i don't have power to the hazards, turn signals or brake lights. do have parking lights but the lights don't go bright when brake is applied. brake fuse, turn signal fuse all good. any suggestions

Answer
Mark first check the tail light circut boards they do go bad on those trucks you can get those at your local parts store if you have the original boards you will have to replace all the bulbs to the newer style bulbs tha boards get moisture on them and corode  over time thank you!!