WARNING: This page is about a different car, the 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Power Door Locks Circuit, Hearse
Fig 2: Power Door Locks Circuit, Sedan & Limousine (1 of 2)
Fig 3: Power Door Locks Circuit, Sedan & Limousine (2 of 2)