EXHAUST SHOWS BLACK OR GREY SMOKE

TM 9-2320-269-34-1

TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

4. EXHAUST SHOWS BLACK OR GREY SMOKE

Step 1.

Check fuel system and engine compression. Go to CRANKS BUT WILL NOT

Step 2.

Check for oil burning. Go to USES TOO MUCH OIL (page 2-8).

5. RUNS UNEVENLY

Check fuel system and engine compression. Go to CRANKS BUT WILL NOT START (page 2-4).

ELECTRICAL SYSTEM

6. STANDARD WIRING HARNESS WORKING IMPROPERLY

NOTE

This is a common procedure for connector to component type wiring harnesses. The headlight wiring

harness is shown. The engine wiring harness, taillight wiring harness, and 12-volt trailer receptacle wiring

harnesses are done in a similar way.

When doing tests, always note wire number and meter reading for each wire.

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