when i turn on left signal on it turns fuel pump and coil starts arcing on 1990 Chevrolet S10

also the hazard wont work unless headlights are on i replaced signal light switch and flasher it also blows the fuses as soon as i put it in

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1 answer
you may have a bad coil which is common or coil wire. this may affect gauges but repair this 1st then move forward