I would recommend double checking the battery connections. Please ensure that they are clean, tight, corrosion free, and making good metal to metal contact. In the diagrams down below I have included the starting and charging wiring diagrams for your vehicle, as well as guides on how to find a parasitic draw situation in an automobile. I have also included guides on known electrical problems in automotive electrical circuits and how to find unwanted resistance in an automotive electrical system using voltage drop. You will need to use a Digital Multi-meter [DMM] to go through these guides, so here is a link below explaining how to use one, if needed:
Please check the battery's connections and go through these guides and apply them to your situation, if needed. Please get back to us with what you find out.
Images (Click to enlarge)
Monday, January 13th, 2020 AT 7:46 AM