Clicking Relays

[JacobC1983]

Does anybody else hear the constant clicking of relays behind the dash after starting the truck? If I have the AC running I hear relays clicking every couple minutes for about the first 10 minutes of running the truck. Gets incredibly annoying when running errands. 

 

I hear them in different places too, behind the center stack and behind the passenger side and under the steering column 

 

 

I do hear clicking outside and inside the truck after it’s turned off, too.

 

[econometrics]

Yes. It’s been reported here that it’s the brake system doing checks. 

[JacobC1983]

8 minutes ago, econometrics said:

Yes. It’s been reported here that it’s the brake system doing checks. 

I thought the brake system was only after the truck turned off.

[econometrics]

My relay clicks occur after I shut it off.