WARNING: This page is about a different car, the 1994 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: 4.6L (VIN Y & VIN 9) PCM Wiring Diagram (1 Of 3)
Fig 2: 4.6L (VIN Y & VIN 9) PCM Wiring Diagram (2 Of 3)
Fig 3: 4.6L (VIN Y & VIN 9) PCM Wiring Diagram (3 Of 3)