My AUX port is fading out & popping. I switched RCA cables, no difference. Have you tried WD-40s contact cleaner? Does it compare to Deoxit contact cleaner? : r/vintageaudio

DeOxit vs WD40 vs Contact Cleaner - Shootout

Does my AC compressor sound normal? I was recharging it. I went a bit over but then released some Freon back to the green level. 2015 wrx. : r/WRX

Bought car with broken off piece in aux port. Tips for removing it? Seems to have some hot glue shoved in there too. : r/Cartalk

What are aux in and aux out used for? How are they different from each other? - Quora

How to clean the AUX port of my car if the sound is only coming from the right side speakers (I tried other cables and devices and the problem is definitely with

How to clean hard to access RCA and AC Power Contacts

WD40 is not for Everything Use CRC Cleaner for electronic switches

A home DIYer looking for a cheap multimeter, help : r/MechanicAdvice

My AUX port is fading out & popping. I switched RCA cables, no difference. Have you tried WD-40s contact cleaner? Does it compare to Deoxit contact cleaner? : r/vintageaudio

Deoxit D5 & Wd40 contact cleaner, repairing old amplifier

Does my AC compressor sound normal? I was recharging it. I went a bit over but then released some Freon back to the green level. 2015 wrx. : r/WRX