FACTS: Dr. Rebuild created these vacuum hose illustrations, and he looked under the hood of many, many, many real Corvette's. In sworn testimony for a U.S. Federal Court deposition, Zip Corvettes "artist" swore that he created each of the vacuum hose drawings they had showing the routing and connections. Remarkably, he also swore that he had never looked under the hood of any Corvettes. Coincidentally if you hook up the hoses to that Zip Corvette illustration, neither the headlamps nor the wiper door will open. Who would have guessed that with all their efforts? Top notch research.