Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

Brake Light issue

Old Apr 8, 2026 | 03:30 PM
  #1  
magicdave2's Avatar
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From: Hartford, CT
Car: 1990 Firebird Formula TBI 305
Engine: TBI 305
Transmission: 700R4
Brake Light issue

I don’t have any brake lights on my 1983 Trans Am Recaro. The fuse panel for the brake lights has 12v when I back probe it but there is not power at the brake switch. I have added 12v power to the switch wiring and the lights come on so everything from the switch backwards seems to have continuity. Where should I look if I am losing power between the fuse and the switch? Thanks!
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Old Apr 8, 2026 | 04:29 PM
  #2  
magicdave2's Avatar
Thread Starter
Junior Member
5 Year Member
 
Joined: May 2020
Posts: 45
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From: Hartford, CT
Car: 1990 Firebird Formula TBI 305
Engine: TBI 305
Transmission: 700R4
Re: Brake Light issue

I’ve also discovered my driver side front marker lights are also not working. However when I flip the signal switch to the left those marker lights do go on when the key is not in it.
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Old Apr 8, 2026 | 04:36 PM
  #3  
magicdave2's Avatar
Thread Starter
Junior Member
5 Year Member
 
Joined: May 2020
Posts: 45
Likes: 1
From: Hartford, CT
Car: 1990 Firebird Formula TBI 305
Engine: TBI 305
Transmission: 700R4
Re: Brake Light issue

I’ve also found that the hazards aren’t working either. I feel like these are all connected somehow.
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