July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Miscellaneous Pcm Controls: Transmission: Notes

WARNING: This page is about a different car, the 1997 GMC Vandura, 1997 GMC Forward Control, 1997 Chevrolet Forward Control, and 1997 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: To perform the following tests, use appropriate wiring diagram in the WIRING DIAGRAMS article.