WARNING: This page is about a different car, the 1994 Pontiac Bonneville, 1994 Oldsmobile Eighty-Eight, and 1994 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: PCM Wiring Diagram (VIN L & VIN 1 - 1 Of 3)
Fig 2: PCM Wiring Diagram (VIN L & VIN 1 - 2 Of 3)
Fig 3: PCM Wiring Diagram (VIN L & VIN 1 - 3 Of 3)