Radio Shuts Off When Brake Is Pressed

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10-04-2006, 07:18 PM

quisterio

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Car: 87' GTA

Engine: 350 L98 TPI

Transmission: 700-R4

Axle/Gears: 3.27 9-Bolt

Radio Shuts Off When Brake Is Pressed

OK, this just started happening today, whenever I press down on my brake pedal, my radio just shuts off then comes back on.

Is it a short somewhere?
Is there a wire getting pinched?

Whats causing my radio to shutoff and come back on?

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10-04-2006, 11:02 PM

Gummie

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Car: 88 GTA

Engine: 350 TPI

Transmission: T-56

Axle/Gears: 9 bolt w/ 3.73

Quote:

Originally Posted by quisterio

Three possibilities. The first is a short. The second is a voltage drop when you hit the brake. The third is a bad ground, but this is pretty unlikely IMO.

The quick and easy way to find out is to watch both the ignition wire and the 12v wire for the deck with a DMM when you hit the brake.