Initial Inspection and Diagnostic Overview

Perform before beginning System Diagnosis
1. If TURN B/U FUSE is open, refer to Chart #3. Chart #3 Turn B/U Fuse Blows Ign In RUN Bulb Test/Start
2. Check Brake Switch Assembly for proper adjustment.
3. Make sure G202 is clean and tight.
4. If Transmission Shifter does not shift out of "PARK," check linkage and cable for binding.

^ Check for a broken (or partially broken) wire inside of the insulation which should cause system malfunction but prove "GOOD" in a continuity/voltage check with a system disconnected. These circuits may be intermittent of resistive when loaded, and if possible, should be checked by monitoring for a voltage drop with the system operational (under load).

^ Check for proper installation of aftermarket electronic equipment which may reflect the integrity of other systems refer to Diagnostic Aids. Diagnostic Aids

^ Refer to System Diagnosis.