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Peugeot 406 Glow Plug Relay Failure
10-07-2008, 08:29 AM
Post: #1
Peugeot 406 Glow Plug Relay Failure
Car wouldn\'t start yesterday, and I narrowed it down to the glow plug relay not switching on. I want to get the car started this morning, does anyone now that if the relay/(box of magical french gubbins) was bypassed for a short amount of time, would this have an adverse effect on the plugs? or can the relay be switched on manually inside with the casing discarded?

Many Thanks

Huw

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10-07-2008, 09:25 AM
Post: #2
Peugeot 406 Glow Plug Relay Failure
you can just bypass it and go direct to glow plugs (GP\'s), older diesels just went straight to the GP\'s and you just held a button or key to give it power for any length depending how cold it was. The relay unit glows for set time depending on temp and then when the dash light goes out it gives a set time for afterglow too.

Chug:P


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10-07-2008, 10:00 AM
Post: #3
Peugeot 406 Glow Plug Relay Failure
Thanks Chug,

Thats useful to know. I actually went to the car this morning and it started fine, so it must be sticking a bit with the damp.

Thanks again

H

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31-10-2009, 07:39 AM
Post: #4
Peugeot 406 Glow Plug Relay Failure
What are the common signs that the glow plug must be replaced? Sometimes my car wouldn\'t run that smoothly. I wonder if there is something wrong with the plugs..

[Edited on 3-11-2009 by mikeross]
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31-10-2009, 08:41 AM
Post: #5
Peugeot 406 Glow Plug Relay Failure
I took my relay apart and fixed it. Turns out it was a piece of solder that melted off a contact, and stopping contact being made. The heat from turning the glow plugs over more than a few times had done it. If i was to tap the relay box it used to release the contact and work. Why don\'t you do the same and see if the diagnosis is the same.

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28-11-2019, 02:25 PM (This post was last modified: 28-11-2019 02:27 PM by jturne30@hotmail.com.)
Post: #6
RE: Peugeot 406 Glow Plug Relay Failure
(31-10-2009 08:41 AM)Surfingdan Wrote:  I took my relay apart and fixed it. Turns out it was a piece of solder that melted off a contact, and stopping contact being made. The heat from turning the glow plugs over more than a few times had done it. If i was to tap the relay box it used to release the contact and work. Why don\'t you do the same and see if the diagnosis is the same.

Where is the Relay
LOCATED?

(31-10-2009 08:41 AM)Surfingdan Wrote:  I took my relay apart and fixed it. Turns out it was a piece of solder that melted off a contact, and stopping contact being made. The heat from turning the glow plugs over more than a few times had done it. If i was to tap the relay box it used to release the contact and work. Why don\'t you do the same and see if the diagnosis is the same.

Where is this Relay located?
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