2002 Nissan Maxima Repair Question
Nissan Maxima Battery Problem
Wow. Did you proofread that huge sentence? With no punctuation it can be read at least three different ways. "Lose all power" can mean a lot of different things but since you referenced "alternator" and "battery", I'm guessing you mean you're losing electrical power. One test you can do is to measure the battery voltage while the engine is running. It must be between 13.75 and 14.75 volts. If the problem acts up intermittently, be sure to do that test while it's occurring.
If you have an indication things inside the car are going dead intermittently, look at the two smaller battery wires. The negative one will be bolted to the body and the positive one will be bolted to the under-hood fuse box. Be sure those nuts are tight.
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