SECTION V: TROUBLESHOOTINGTM 9-2350-256-20WARNINGRemove all jewelry such as rings, dog tags,bracelets, etc. If jewelry contacts a metalsurface a direct short may result in instantheating of tools, damage to equipment, andinjury or death to personnel.K Place red lead of multimeter in socket B of ground wireand black lead to ground. Check for continuity. Ifcontinuity is present, go to step L. If continuity is notpresent, repair/replace ground wire of engine wiringharness (see paragraph 6-58 for dual voltage; 6-59 forsingle voltage).L Reconnect engine wiring harness to manifold preheaterignition unit. Disconnect engine wiring harness from fuelsolenoid. Place red lead of multimeter in socket A ofwire 486 and black lead to ground. Turn MASTER switchon, push START and manifold preheat switches, andcheck for voltage. Turn MASTER switch OFF. If voltageis present, go to step M. If voltage is not present,repair/replace wire 486 of engine wiring harness (seeparagraph 6- 58 for dual voltage; 6-59 for single voltage).M Place red lead of multimeter on pin B of fuel solenoidand black lead to pin A. Check for continuity. Ifcontinuity is present, go to step N. If continuity is notpresent, replace fuel solenoid (see paragraph 4-20).2-77
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