Sudden ticking noise in passenger tweeter, thoughts?

[aawshads]

Have a 25 Flash for about 2 weeks now, i swapped the speakers for aftermarket when I got it but just used the factory connectors. it has been fine. It has the B&O system. This morning there is a ticking noise coming from passenger tweeter, sounds exactly like a second hand ticking, it is metronomic, once per second. It is there with the radio on or off, it still happens even with the truck off. Anyone had this kind of issue? any thoughts on cause? It has to be some sort of electrical pulse i would think.

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[Heliian]

Which aftermarket speakers did you install? Were they the same impedance and power?

 

[aawshads]

That wasn't the issue. I took the a pillar off and one of the wires was crushed. I fixed that and it stopped.

 

[chl]

That wasn't the issue. I took the a pillar off and one of the wires was crushed. I fixed that and it stopped.

Must have been acting like an antenna and picking up a pulse from something in the truck, I think there is a pulse sent down the trailer wiring periodically to check if there is a trailer attached at about one second intervals, maybe some other wires get a similar pulse as well?

 

[Scrappy]

Must have been acting like an antenna and picking up a pulse from something in the truck, I think there is a pulse sent down the trailer wiring periodically to check if there is a trailer attached at about one second intervals, maybe some other wires get a similar pulse as well?

Or a stethoscope. His truck has a pulse. Might be conducted noise on a ground loop.

 

[chl]

Or a stethoscope. His truck has a pulse. Might be conducted noise on a ground loop.

From the HAL 9000 at it's center?

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