Operation CHARM
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Mercedes Benz Truck
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2003
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G 500 (463.249) V8-5.0L (113.962)
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Repair and Diagnosis
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Heating and Air Conditioning
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Auxiliary Cabin Heater
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Description and Operation
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Stationary Heater (STH) System
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Glow Pin
Glow Pin
Glow Pin
Task
The glow pin ignites the fuel/air mixture when heater operation is started.