LED bulb 12V does not light up properly

Since you want to abolish the bulbs, there are in the discounters replacement LED bulbs for replacement.
Although these are economical, they do not work well with some 12V switching power supplies because they consume too little power.

Remedy:
If there are several halogen lamps (3 or 5 in parallel), leave at least one original bulb in and replace the rest with LED bulbs.
You still save energy and you do not have to replace the switching power supply with a 12V transformer.

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