LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 1997 >> Century Custom >> Repair and Diagnosis (Single Page) >> Body & Frame >> Body, Cab Control Systems >> Body Control Module >> Diagnosis & Repair >> DTC B2739, Key-In-Ignition Fault >> Diagnostic Aids
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnostic Aids

The following conditions may cause an intermittent: Intermittent short to voltage or open in circuit No. 80 (Light Green wire); intermittent open in circuit No. 1550 (Black wire); poor connections; internal short to voltage or open in BCM; or intermittent open in G203.

scientia non olet · About LEMON Manuals