ELECTRICAL 55 5. Disconnect the electrical connection. REFITMENT Install the power socket in the reverse order of removal. 1.11 GLOW PLUG CONTROL UNIT (DIESEL VEHICLE ONLY) LOCATION The Glow Plug Interface Unit mounted on water channel RHD OPERATIONAL DESCRIPTION The aim of Glow Plug Interface Unit (GPIU) is to achieve high degree of flexibility in driving the glow plugs that are included in a standard EMS system for diesel engines. It is evident that the requirement for GPIU depends from the driving characteristics required by the glow plugs. In a modern direct injection diesel engine the function developed by glow plug may be summarized as follows: Auxiliary starting device Cold diesel engines due to high levels of internal frictions & thermal losses are reluctant to start. Often need of auxiliary devices like glow plugs are the only method to guarantee engine start. The glow plug power dissipation increases the combustion chamber temperature allowing the air fuel mixture to reach its self-ignition condition.
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