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

WD-40 CONTACT CLEANER Audiokarma Home Audio Stereo Discussion Forums

Battery indicator blinking on my UPS, APC 1500va, BR1500G-IN. Where I can find this green color battery? : r/IndianGaming

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

Deoxit D5 & Wd40 contact cleaner, repairing old amplifier

Clean Connectors

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

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

Deoxit D5 & Wd40 contact cleaner, repairing old amplifier

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

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