Where is the positive post of battery, which side?
It will be the one with the red battery cable going to it, also look at the battery posts, one side should have a positive sign (+) and the other should have a negative sign (-). If for some reason you battery is so messed up that it has no signs and someone rigged a different color cable to the positive, check the power from the battery with a volt meter. Just run the black lead from the volt meter to a clean metal area which will be your ground, and put the red lead from the volt meter to one post at a time on the battery. The one that shows current will be the positive terminal. Hope this helps.
It should have a + sign on it. Or, if it's in the car already, it will have a + sign, and the red cable will be hooked to it. The negative runs to the engine block, and the positive to the starter, or relay. Both are marked with a + or - sign molded into the battery body.
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