Checking Voltage To Glow Plugs (Lombardini 1003 Engines) - WACKER Group LTC 4 Repair Manual

Lombardini Engine Troubleshooting
5.8

Checking Voltage to Glow Plugs (Lombardini 1003 engines)

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5.8.1
5.8.2
a
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To check the voltage to the glow plugs, carry out the following
procedure:
Disconnect the B (black) wire (a), place the keyswitch in the START
position, and measure the voltage between the black wire and ground.
There should be 12V (battery voltage approximately 12) measured.
• If 12V is measured, check the function of the glow plug.
• If 12V is not measured, continue.
Disconnect the B (black) wire (b) and measure the voltage between it
and ground. There should be 12V (battery voltage approximately 12)
measured.
• If 12V is measured, clean the connection points of the wires.
Reconnect the wires and check the function of the glow plug.
• If 12V is not measured, check the glow plug relay.
b
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LTC Repair
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