90–95 Accord Four Cylinder, 90–91 Prelude 2.1L, 92–95 Prelude & 91–95 Civic.On 92–95 Prelude models, the check connector is located in the passenger compartment behind the center console. The plug connector is blue its pretty easy to find.On Accord and Civic models, the check connector is located under the RH side of the instrument panel. On 90–91 Prelude models equipped with 2.1L engine, the check connector is located in the engine compartment.































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