Steve: I think I have found something. In the spare tire wheel well there is an electric box aboout 2x3x7 inches with a vacum connection and 2 electic connections one with 3 wires and on with multi wires. It is stowed in a thick foam rubber carrier. The part no. is 0132 006 321. Now to figure out what to do. Thanks for your assistance. Milterino.

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Milterino
76 450 S.E.L.