Is It Normal For Relays For Brake Lights To Be Warm

Question:

thanks I found great help on your answer about this matter and definitely the problem is on my semitruck volvo 2011 vnl, also because I have noticed that the relays working with lights are to hot and I dont know if this is normal

asked by: Carlos E

Helpful Expert Reply:

I'm glad to hear you found our answer page helpful!

On you 2011 Volvo VNL it is normal for relays to be warm when it is on, but not be too hot to touch.

If your relay is too hot to touch there is a few issue that could be going on.

The relay may have an internal short that is allowing it to get hot which would require you to replace the relay in question.

There may be a short in the circuit feeding the relay causing excess heat which would require you to follow the wire coming from the relay to check for any frayed, exposed or otherwise damaged sections of wire that would need to be replaced.

expert reply by: Samuel C