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Discussion Starter · #1 ·
Hi fellas,

I've had a search through the previous posts and can't seem to find anything with quite the same symptoms as mine, so here they are.

The glow symbol on the dash comes on as it should, and the clicking of the relay is audible, but there's no power at the glow plug bar. I've checked the engine control fuse and it is definitely fine. There seems to be 12v at the relay plug on some pins, 9v on one pin, and no volts on two others.

Any help would be greatly appreciated.

Cheers,

KD.
 

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Discussion Starter · #2 ·
Update: there's 10v at the wire going onto the glow plug bar, but only when I disconnect it from the bar. When connected I can't find any power at either the wire, glow plugs or bar. Any thoughts?
 

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nissan
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Have you checked that the 100 amp glow plug fuse isn't blown?

What model patrol and what engine?
 

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Discussion Starter · #4 ·
Hi Yendor,

89 GQ, TD42. I checked the engine control fuse in the fuse panel (next to accelerator) and it was fine. Where is the 100 amp fuse?

Surely there should be more than 10v at the wire to the rail?

Any ideas on why there's no power when I connect the wire to the rail?

Cheers.
 

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nissan
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The main fuse for the glow plugs is near the battery.

It sounds like you have a bad connection in the glow plug circuit somewhere between the glow plugs and the main fuse.

Could possible be a faulty glow plug relay or just a bad connection at the main fuse.

Measure the voltage on either side of the glow plug relay.
 
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