these are pos units.
Tell that to those folks who insisted on reverse polarity on your battery,
For powering up those unit, the typical approach is to put a light bulb in serial. If the light bulb glows, you have a problem.
these are pos units.
Tell that to those folks who insisted on reverse polarity on your battery,
For powering up those unit, the typical approach is to put a light bulb in serial. If the light bulb glows, you have a problem.