83 300SD - Unidentified Failing Object...
Anyone know what that small device is on the fire wall (drivers side) just beside where the main vacuum line goes through the firewall to the brake booster? It has two small hose attachments on the bottom (maybe vacuum) and a 3 or 4 wire harness plug (also on the bottom)...both hoses have been cut, but the wire harness looks intact...I would like to know what it is and how it works so I can decide whether or not to fix it...its cylindrical in shape with a smaller cylindrical "cap" on top...
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