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Glow Plug: Operation

Each glow plug will momentarily draw approximately 25 amps of electrical current during the initial key "ON" cycle. This is on a cold or cool engine. After heating the current draw will drop to approximately 9-12 amps per plug.

Total momentary current draw for all four glow plugs is approximately 100 amps on a cold engine dropping to a total of approximately 40 amps after the plugs are heated.

Electrical operation of the glow plugs is controlled by two glow plug relays. Each glow plug relay controls two glow plugs. Refer to GLOW PLUG RELAY  for more information.

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