I work on Rainbows. D4C-E2 etc. Not sure what you mean by the top plug in. There are two motors in the rainbow, one in the main unit, one in the power head. Where was the odor coming from? email me back with more info, I can help you with this. Jerry
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I work on Rainbows. D4C-E2 etc. Not sure what you mean by the top plug in. There are two motors in the rainbow, one in the main unit, one in the power head. Where was the odor coming from? email me back with more info, I can help you with this. Jerry