Disconnect all glow plugs. Probe each one with a 12volt test light. Replace the ones that dont light. Another common failing point on this system is the solenoid on the glow plug controller. A bad connection either of the large posts is indicated by discolored nuts, melted hot wire , or, in extreme cases, the housing of the solenoid burned up. The solenoid is available separately, the solid state unit is not. Depending on which controller you have, it will be either a 7 second or 13 second glow time at 60* F. Back to the glow plugs; after checking each glow plug, probe each glow plug connector on the harness. You will need to disconnect and ground the glow plug harness at the downstream end of the resistor. Any connector that fails to light must be repaired or replace the harness. Now move your test light clip to ground and check for power at the glow plug controller. The wires on the large post closest to the passenger side should be hot at all times, and there are fusible links near passenger side battery. If all this stuff checks out and you still dont have sufficient glow time , the GPC must be replaced.
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Today's Featured Article - Tuning Up Your Tractor: The Battery - by Curtis Von Fange. Buried somewhere beneath the sheetmetal, under the gas tank, or stuffed in front of the radiator is the battery. This elusive and neglected component of the tractor is the hardest to get to when it is dead and in need of a jump. But usually, the storage battery is a storehouse of electrical energy waiting to be released a the flick of a switch. A few maintenance tips and periodic cleaning will keep it charged for the duration of its life span. The battery is made up of a number of lead bas
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