LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Theft Deterrent System) >> Diagnostic Tests >> DTC B0688: Security Indicator Circuit Fault >> Diagnostic Aids

Diagnostic Aids

WARNING: This page is about a different car, the 2002 GMC Savana, 2002 Chevrolet Chevy Express, 2001 GMC Savana, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Most intermittent faults are caused by a faulty electrical connection or wiring. Perform a visual inspection of related wiring and connectors. Inspect harness for an intermittent or a short to battery voltage. Perform tests while wiggling wiring.

scientia non olet · About LEMON Manuals