LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 1994 >> Eldorado Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.6L >> Diagnostic Parameters >> Pcm Specific Input Codes >> PI89: Stoplight Switch
April 5, 2026: LEMON Manuals is launched! Read the announcement.

PI89: Stoplight Switch

This input comes through the data link from the EBTCM. PI89 should be LO with brake pedal released and HI with brake pedal depressed.

Fig 1: PCM Harness Connector ID
G94A32938Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals