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How do I tell how many amps my alt is? After I changed my belt yesterday my system drains my alt pretty bad and it never did this before. I think it's got something to do with the tensioner because the tensioner is old and moves a bit and when the voltage drops the belt sounds like it's slipping. Any feedback?
1991 F150 4.9l XLT Lariat
See my profile for full list of mods.