Electrical problem
1994 Chevy Truck V8 Four Wheel Drive Automatic
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Whenever the head lights are turned on every function of the tail lights shuts off. The brake lights dont work as well as the turn signals. With headlights off the brake lights work but are very faint and when the turn signal is on while pressing the brake the signal goes twice as fast. Any ideas if this is a short or if maybe a wire has come loose somewhere? thanks

Inspect and test the stop fuse 15amp, brake switch, center high mount stop lamp relay and turn and hazard switch-

Inspect and test the stop fuse 15amp, brake switch, center high mount stop lamp relay and turn and hazard switch-