It will be under the carpet in the back of the wagon. The indent where you have storage or the seat for the thrid row. Remove that panel and you will see it. Just look for the wires leading to the sendind unit.

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Moss Gate Bed & Breakfast
1985 300 TD GG done in by a red light runner
1984 300 CD Sold
2008 Titian
2000 Cadillac SLS
1966 FLH Sold
2003 Harley Ultra