How do you fix a car having no power from battery to vehicle? on 1995 Pontiac Grand Am

Battery, starter and alltinator is good.

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1 answer
First you need to check the battery connections to the fuse box and the grounds to the engine, frame, & body. Check the main fuses in the fuse box, make sure they are not blown and bat+ is getting through them, for the beginning. Do you have a test probe, or VOM, to test power and grounds.