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if the battery is not bad and fully charged, remove the positive cable. Touch it to the positive post slowly. If if sparks, you have a load on it. remove the fuses one at a time and try the cable on the post each time until you get no spark. The fuse you've pulled has the load on it. Trace the citcuit until you find what it is. example, the ign fuse. It may be the alternator is staying hot.

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Q: What would drain the battery on 2002 ford ranger?
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