Braindom is a fun game but the levels can get pretty tricky. Here we have the answer for "The car's battery is flat. Help him run his car again!" in Braindom Level 157. You can use the answer below or watch the video. One thing to be aware of is that the level number might be different for your puzzle. Sometimes the levels can get switched around so if that happens try to search for the question.
Answer
Double-tap the red car then draw a cable from each engine to connect them.
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