I have 2004 Mitsibushi Galant 4Cyl. When I was leaving for work the car had no power. I thought my Battery was dead so I had it jump started. It worked no problem. The Battery showed 12-14 volts on the dash. It was fine to drive. I took it to have the battery and alternator tested and the battery was testing bad in the car. I brought a new battery and it registered bad in the car as well. On the bench it test good. Once I had it installed I had no power in the car. No lights or power at all. Can someone give me some ideas on what the issue could be?

. Test all under hood and under dash fuses with a test light or multimeter:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-3.html#post252145

. Check the ignition switch for wear, pitting, or melting.

. Read this link, if the problem persists:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-selected-other-vehicles-46563-3.html#post235560