Northern Lights — Glow Plug Test

Testing & diagnosis · glow plugs

From a Northern Lights operator's manual covering: 753, M753, NL753. Check it applies to your exact model before use.

Applies to: Northern Lights 753, Northern Lights M753, Northern Lights NL753, Northern Lights 753K engine

Procedure

1. Loosen the current carrying flat wire between the plus-poles of the glow plugs.
2. Connect a D.C. test bulb between the plus-pole of the battery and the plus-pole of the glow plug.
3. If the bulb lights up, the glow plug is functioning properly.
4. Check all glow plugs and replace any faulty ones.

Full service-parts list: Northern Lights 753 →, Northern Lights M753 →, Northern Lights NL753 →

Source: Northern Lights operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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