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Re: where is ported vacuum switch on a 1989 thunderbird
If you go to your local autozone, o'reily, or advanced auto and tell them what you need..a ported vaccum switch they will sell you one and most of the time you can take that and look at it and tell were on top the motor it goes.. i have a 1990 3.8 good-luck ray
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On a OBD I car the connector is under the hood on the drivers side near the strut tower. It will be in a plastic cap marked EEC-TEST and have two connectors one with a rectangular shape that has a sort of pointed side and 4-6 wires in it and then a single wire with a gray plastic end on it.