Depending on the year fuse boxes became of an importance to you, you may have never noticed a car with one fuse box˳ I will start this article with a brief historical introduction then get down to the business of one versus two fuse boxes˳
Most car manufactured in the US, or are of an American brand at one point only had one fuse box˳ As a matter of fact, up until late 1980s the aforementioned cars had only one fuse box inside the car˳ On the other side of the ocean, the Japanese and European rivals had started to use 2 fuse panels almost a decade earlier˳ They had added a fuse box under the hood for engine related circuits˳ Back then the American manufactures were protecting the high amperage circuits by using special pieces of wires called fusible links˳ These wires were designed to melt upon experiencing an overload˳
Now days almost every car is designed and manufactured with 2 fuse boxes or panels, one inside the car, and another under the hood˳ Even though a specific fuse may be under the hood in a car, it may be inside the car in another˳ However, the general rule is that the interior panel includes fuses for the headlights, heater, radio, windows, seats, defroster, sun roof etc˳ in other words the interior panel is going to have fuses related to the bells and whistles of the car˳ On the other hand the panel or box under the hood normally facilitates engine related fuses, such as the ignition, injectors, fuel pump, braking system etc˳
For more information about selling your car, check out the Why Does My Car Have Two Fuse Panels
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