A/C fuse keeps going bad and fog lights work intermittently

Tiny
JSRCOMMS
  • MEMBER
  • 2006 NISSAN TIIDA
  • AUTOMATIC
  • 178,428 MILES
My A/C fuse continues to go bad and my fog lights work on and off.
Monday, April 4th, 2022 AT 3:17 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
When you say your A/C fuse keeps going bad, you mean it is popping and you have to replace it?

If so, how long does it last and do you notice what you are turning on in order for it to blow?

Normally this means you have a short in the system and when this turns on it overloads the circuit with too much current and it blows the fuse.

On the A/C circuit it would most likely be the compressor, but we need to confirm this because there are multiple fuses and other components that will cause this as well.

https://www.2carpros.com/articles/how-to-check-wiring

We do not have a manual on this vehicle since it is not offered here in the USA, but I am attaching one from a similar vehicle that we do have here.

This is not going to be exact, but it will illustrate how there are other components like fans and switches that can cause this fuse to blow.

So, we need to identify everything that is on this fuse/circuit so that we can start eliminating them one at a time.

Also, we need to find out if there is a wiring problem which would be a short or rubbed through wire causing the fuse to blow. However, if the fuse does not blow right away then it is not likely a wiring issue.

I would suggest starting with the fuse and if the lights are still an issue, we can address that later. However, if we try to fix them as one issue, we will most likely chase our tail because they may be separate issues.

Let me know what questions you have.

Thanks
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Tuesday, April 5th, 2022 AT 2:46 PM

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