P1637??
06-19-2007, 09:34 PM
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Join Date: Apr 2005
Location: Florida
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P1637?? Hey guys, I was wondering if anyone has any idea what this code means? My predator says "P1637 Generator-L-Terminal Circuit." When I got out of work tonite and was getting ready to come home, it came on and my volts started to drop. When I revved the engine, it went up. As soon as I let off, it went back down. I just changed the alternator about a week ago, the battery is under warranty and I had it checked and it is good. I dont understand? I checked the battery for loose terminals when I got home but they are tight as can be. Does anyone have any idea what this could be? Maybe the alternator is no good? I got it at autozone, it has a lifetime warranty on it. Maybe Ill take it off and get another one?
