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Ford Owners Club - Ford Forums > Ford Models > Ford C-Max Club
Hi out there, Newbie here

Im having trouble starting my 2004 2ltr diesel on cold mornings. I've tested the battery which is fine, and research on various forums has led me to try replacing the glow plug relay(Ford dealer recomendation).
Typically, this is not as straight forward as i thought, because I can not find the glow plug relay on the car to replace it!

So can any body point me in the right direction to

1: where the glow plug relay is on a CMAX 2004 tdci 2.0
2: a decent maintence manual similar to a haynes?

look forward to your response!
Hi Cmax

it should be in the engine bay fuse box it is F6 & it is a GLOW PLUG CONTROL MADULE. should be third from the left 60AMP fuse.
also bottom right number 14 is the ENGINE CONTROL RELAY.
hope this helps

Thanks Tom. The relay I was given by dealer is a little black box/plug? Checking the engines box the two do mot seem compatible? Am I missing something?
Hi Cmaxed
find attached are these any good?

Hi there just joined this forum today after finding the above post.
I have the same problem trying to start the car. Always fires up on the second start.
Mine is a 57 plate 2.0 Diesel. Also suspect Glow Plug Relay.
Does anyone else or Cmaxed have an update on this?
Can't find one online, are they only available direct from Ford.
Any help appreciated :)

Have you checked to make sure the plugs are getting 12v?
Hi there

I have not no. I'll need to get me a multimeter in the morning


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