If you had a short that large before you started working on the batt cables, it would have burned long before it did. Check your work over and see where it's grounding. You can make a temporary link by using a new piece of wire the same as the gauge at both ends of the link and sectioning in a short piece of smaller ga. wire. Hopefully you didn't damage the alternator or other electronics. The original problem sounds like possibly the fuel pump anti drain-back valve is bad (integral with pump) Testing pressure will verify that.
You can disconnect alternator, but the fuse method you mentioned sounds more reasonable.
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thundergod, thank you for the info. I wont be able to work on it until this weekend but you gave me some more thoughts to check. what is the best method to test the fuel pump anti drain-back valve pressure.
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