Connect the test lamp to the "+" terminal of the battery and connect it in series to each of the glow plugs.
The light is on: the glow plug is OK.
The bulb does not light: the glow plug is defective, replace it (spark plug tightening force 40 Nm).
If the glow plug pin has burned out, strictly follow the operating instructions.
Note: The current consumption after stabilization should be approximately 12 A for each glow plug.
In case of current consumption by glow plugs:
- at 36 A - one glow plug is defective.
- at 24 A - two glow plugs are defective.
- at 12 A - three glow plugs are defective.
- at 0 A - all spark plugs are defective.
These current values can be achieved at battery voltages above 11.5 V.
[Text copied from an online resource: Opelbook.ru]
Remove the connecting cable and the glow plug current bus.
Connect the test lamp to the "+" terminal of the battery, connect the other end of the wire in series to the glow plugs.
The spark plugs are good if the lamp lights up.
The spark plug is faulty if the lamp does not light. Replace. If the glow rods are burnt, follow the instructions.
Candles with burnt rods
A burnt glow rod (picture), the result of a faulty injector, not a glow plug. Such a fault, a defect in the inner, not the outer part of the plug. If such plugs are found (arrow, drawing) it is not enough to simply replace them, it is necessary to check the injectors for spraying, noise, pressure, and tightness (factory work). In this case, special attention should be paid to the fact that the spray spot during sharp energetic rocking (4-6 strokes/sec) was impeccable.
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