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C5 Unknown Connector

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Old Mar 4, 2024 | 04:22 PM
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Chasjwalsh's Avatar
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Default C5 Unknown Connector

Good Afternoon -

I am new to this forum and have owned my ‘99 C5 Convertible for a little over 2 years. My latest SMOG check (yes, I live in California!) resulted in the technician being very unhappy with an “unconnected” connector on the radiator shroud. The previous owner installed a Vortex intake and obviously left the errant connector loose. I believe it is the connector for the original Mass Air Temp sensor that the new intake relocated without removing the original plumbing. See below:



I would appreciate any advice on what I can do to eliminate this errant connector. My GM Shop Manuals do not address this. Thanks in advance!
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Old Mar 4, 2024 | 04:53 PM
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Mas air flow sensor and intake air temperature sensor are plugged in. Is your flashlight aimed at the disconnected air pump hose, or is the air pump missing? I need a better picture.
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Old Mar 4, 2024 | 06:44 PM
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Looks like your air tube. It's for your air pump. Stock, it is connected to filtered air so it doesn't suck up garbage. Actually all C5 air filters should have a provision for this tube.
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