You need an H4 bulb with a broken flange – in this case it will fit even in a tank with a narrow neck. The lamp must be connected to the standard battery with wires so that the coils of high beam and low beam are connected in series. The wires must be insulated.
Then add antifreeze fluid to the tank. Isopropyl alcohol works best. We immerse the lamp in the tank. It should not be turned on until it is at the “bottom”, that is, at the boundary of ice and liquid. We are waiting for the result!
Expert “Behind the wheel” Alexey Revin says that you can and should drive with such a heater, it only accelerates the heating of the tank and prevents the battery from running out.
Arm yourself with life hacks – read “9 ways to defrost a wash tank: from the obvious to the unbelievable”
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