I replaced one on a friends 03 T&C but for the life of me I couldn't remember where it was. I believe it was under the hood on the left side(passenger side)...close to the radiator.Try following vacuum lines according to the vacuum line diagram and see if you can find it.
Originally Posted by BlackOnBlackCobra96
2001 Infiniti i30 3.0 DOHC V6: VQ30DE 177,000 miles; 1999 Nissan Altima GLE KA24 168,000 Miles
1997 Dodge Ram 1500 SLT Laramie 5.9 46RE, 182,000 Miles
Prev. 97 T&C LXi 184k 3.8, 94 T&C 3.8 156k Miles, 93 GV LE 3.3 123k