Quote:
Originally Posted by Sniepster
Here's a picture of the battery
https://ibb.co/nQ8sh0f
I have noticed the battery seems a bit old but it IS the upgraded 65 Ah one. Definitely need a multi meter to figure out if it's on its way out. |
Your negative terminal doesn't look bad, but you should lift that plastic terminal cover off to look at the positive terminal also.
A multi-meter is a good tool to have for troubleshooting electrical issues, and any good technician needs to own one, (most of us have more than one) but you really need to load test your battery and charging system if you suspect either of those to be an issue and a multi-meter isn't really the right tool for that.
However, the problems that you were describing in your original post seem like they may be due to the installation of your aftermarket lighting. If the installation was done poorly using connectors like T-taps that pierce the wiring insulation, those can eventually cause problems like you are describing with the interior lights. Especially if a previous owner tapped into the wrong circuit.
I think you are correct in suspecting that the Valenti LEDs are going bad, but that wouldn't cause the problem with the flickering interior lights. You should closely inspect all of the aftermarket wiring that has been installed into your car. You can always unplug the taillights from the car and continue to troubleshoot to see if the flickering goes away, but I will bet that there's something else causing that issue.