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Fuse Box on top of battery get overheated/melted

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Guys, regarding my post: http://www.briskoda.net/forums/octavia/iginition-starter-switch-partially-damage/63768/

I call the Skoda Dealer and talk with the mechanic mananger about why my ignition switch got overheated and melted the socket conector.

He toll me that he has fix many Octavias and Fabias with similar problem but most of them, the problem was on the fuse box on top of the batery. That the fuse box get overheated too and get melted. He toll me something that they usually change a wire there for a thicker one.

Have any of you have hear or experience something similar with your fuse box on top of the battery?

Isaac

  • Author

Well guys, I was surfing the Seat forum and its look like some people over there has experienced the melting problemo. So in case somebody have similar problem............You know were to check:D

Check it out.

Fuse Box on Battery Melted - SEAT Cupra.net

Isaac

fuseboxmelted.jpg

I had a look at mine a few days ago and so far all is well after 4 1/2 years.

That looks like a 30Amp fuse that has melted.... Ouch!

  • Author

As you can read on the Seat forum, its look like a lot of Seat are plaged with this problem.

My Skoda dealer also accept VW cars for repair/maitenance, he toll me that he have replace many of this fuse box on VW cars too.

I am curious, what exactly the other 2 green 30 amp fuses protec???

Isaac

  • Author

This guys suffer on his Seat, the worse fuse box problemo.

car009.jpg

car008.jpg

BTW, I check my green fuses and they are OK:orb_phew:

Isaac

This guys suffer on his Seat, the worse fuse box problemo.

What happened to his MAF?

Looks like the insulation on the cables has vanished, but it does not seem to be connected to anything (on the air side of things)

  • 1 year later...

Further to my post here

It happened again. I noted that it happened during heavy rain when driving on water logged roads. I had sprayed the radiator fan and connections with WD 40. Previous occasions, I found the fuses had been okay. This time when I checked, the 30 amp fused was burnt. Area is slightly melted. I changed the fuse and hey presto, the fans started working.

My guess is that moisture is gathering under the fuse box, for me, the earlier incidences were due to minor leaks, Have sprayed the entire unit with WD40.

Fingers crossed

Issac, I know the photo is a "before" photo with the melted fuse in place, but did you get the one with the blackened fuseholder replaced as well? I'd recommend doing so because the heat might well have damaged that fuse and reduced its actual rating.

Based on my experience here

Soak the fuse box with WD40

  • 2 weeks later...

Hi Everyone who has replied.I refer you all to the initial entry by "nshaunluke" dated 16/08/2007.It is criminal the way Skoda and the other manufacturers have disregarded this serious problem.:thumbdwn:

  • 2 months later...
  • Author

Well, today I was driving at heavy trafic when suddenly my AC (Air Condition) stop trowing cold air.:(

Then checking my instrument panel I saw the engine temperature was going up:O So I inmediatelly stop at a gas station and open the hood.

Both electric Radiator fans was completely stop.

So I check the fuses on top of the battery :holmes: and one of the green 30 amp fuses was smoking white fumes.

I pull out that fuse with a plier and the metal part of the fuse was completely cover with black melted plastic and this was not allowing the current to flow. I intall a new fuse and inmediatelly both electric fans beguin to work:woohoo:

Eaven that is working OK with the new fuse I am planing to intall a external fuse socket to fix. I just got one that is made of ceramic for heat resistant.

Any other idea or advice?

BTW, what the other 2 green 30 amp fuse are protecting???? I was checking the Skoda manual, but not find any info on does fuses.

THX,

Isaac

25485.attach

25486.attach

25487.attach

If you run a search, you'll see it's not the first time this has happened, and I suspect it's happened in lower ambient temperatures than you're presently experiencing.

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