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Home >> GMC >> 1998 >> Forward Control 7.4 B >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Shift Interlock Systems (P Series) >> Wiring Diagrams
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Wiring Diagrams

WARNING: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION section before disconnecting battery.
Fig 1: Wiring Diagram (Commercial)
Fig 2: Wiring Diagram (Motorhome)