Increase head-nods with El Camino Voltage Stabilizer. Install a Voltage Stabilizer right away! Add horsepower and fuel mileage to your vehicle with a Voltage Stabilizer. Car or truck, it doesn't matter what people call it when you modify your El Camino Voltage Stabilizer. These Voltage Stabilizers optimize the electrical equipment in your vehicle. Haul @$$ to the finish line with El Camino Voltage Stabilizer. Voltage Stabilizers are great for people with aftermarket stereo equipment.