KNOWN INFO POSSIBLE PROBLEMS DIAGNOSTIC FLOWCHART TEST OPTIONS REASON FOR QUESTION KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION NO YES NO YES ELECTRICAL 2-78     Change 1 DISCONNECT THE PCB/DISTRIBUTION BOX BODY CONNECTOR. KEEP THE ROTARY SWITCH IN THE "STOP" POSITION. IS THERE STILL POWER AT ANY CIRCUITS OTHER THAN THE LIGHTS? RECONNECT THE BODY CONNECTOR. DISCONNECT THE ENGINE CONNECTOR HARNESS. KEEP THE ROTARY SWITCH AT "STOP". IS THERE POWER AT ANY CIRCUITS OTHER THAN THE LIGHTS? REPAIR OR REPLACE THE ENGINE CONNECTOR HARNESS. GO TO STEP 1, PAGE 2-72 TO CONTINUE TESTING. A3 A2 A1 A FROM 1, Page 2-72 GO TO B, Page  2-80 REPLACE PCB/DISTRIBUTION BOX SHORT CIRCUIT IN   POWER LINES BODY CONNECTOR   HARNESS ENGINE   CONNECTOR   HARNESS ROTARY SWITCH 1. STE/ICE-R TEST 90 (Page 2-751) 2. VISUAL CHECK 1.  STE/ICE-R TEST 90 (Page 2-751) 2.  VISUAL  CHECK If the problem stays, it has to be a short in the engine connector harness. If the problem goes away, the short is in the body connector harness or the rotary switch BODY CONNECTOR   HARNESS OK ENGINE   CONNECTOR   HARNESS ROTARY SWITCH TM 9-2320-280-20-1