John.. Little problem I see is My car doesn't have an economy gauge . I thinkt hey stopped using those for the 1990 model year.

So my question is can I tap into any old vacuum under the hood? Routing them isn't my issues its the type of tubing to get and the connectors.

The switch has what appears to be 3 vacuum connections to it. is one for each headlight and one for vacuum input? I'll read up on that article like you mentioned.

Alon

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'92 300CE - Sold
2004 C240 - 744 - C7 Wheels - Android Radio
2002 C320 - 816 - Sport Wagon - Sold
2006 E350 Wagon - 368 - Dead
2015 GL350 Bluetec - 197U