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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Engine Controls - 3.9L - Introduction (2 Of 2)) >> Description and Operation >> Intake Manifold Tuning Valve System Description >> Ground Circuit

Ground Circuit

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

The ground circuit is supplied directly to the IMT valve assembly. This circuit provides a ground for the micro-processor and the motor.

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