Perkins 403F-11 — Glow Plugs - Test

Testing & diagnosis

For the Perkins 403F-11, from the Perkins service manual.

Applies to: Perkins 403F-11

Procedure

Connect test light between ground and glow plug terminal farthest from battery; turn starting aid switch ON.
Loosen nut and disconnect connectors from glow plugs.
Measure resistance between glow plug terminal and ground.
Connect test light to battery positive and glow plug terminal; replace glow plug if light does not turn on.
Install connector on each glow plug and tighten nut.

Tools required

digital multimeter Amazon
test light Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

1.0 ohm maximum for 402F-05 FridayParts $19.90 and 403F-07 FridayParts $34.75
0.0139 ohm maximum for 403F-11 FridayParts $22.00 and 403F-15 FridayParts $19.35 SinoCMP $339.00

Source: Perkins service 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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