Troubleshooting Hints

1. CHECK condition of RADIO - I Fuse, AUX-A Maxi Fuse, and AUX-B Maxi Fuse. If any fuse is open, LOCATE and REPAIR cause of overload and REPLACE Fuse(s).
2. CHECK that Ground G201 is clean and tight.
^ CHECK for a broken (or partially broken) wire inside the insulation which could cause system malfunction but prove GOOD in a Continuity/Voltage check with a system disconnected. These Circuits may be intermittent or 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 affect the integrity of other systems (Refer to "General Troubleshooting Procedures,"). Diagnostic Aids