Quote Originally Posted by rukawa
...What I'm not sure if the voltmeter is not working properly which is unlikely... nag test na rin ako direct sa battery and volmter gauge ko, hindi cla pareho, my multitester reads about 13.5 fully loaded yung car bukas lahat pero sa voltmeter ko is mga nasa 12 lang.... pano ba to?? nahihilo na ako kakahanap ng electrician na magaling
If the V/meter and the temp gauge both share the same ground, it would be likely that it's not making good contact.

Check both connections for those 2 gauges.