Probably. Your car came with an alternator that was adequate for the accessories fitted to the car. This is typical of the kind of problems one can get into by "upgrading". If you put a 100 AMP alternator on a car that is designed for a 45 AMP alternator, something is going to get fried! Dick Benjamin ----- Original Message ----- From: <Oneof514@xxxxxxx> To: <mailing-list@xxxxxxxxxxxxxxxx> Sent: Sunday, April 27, 2003 7:08 AM Subject: IML: ammeter guage again > I am having trouble with the ammeter gauge on my 66 Imperial. The plastic > gauge housing is melting! > > The meter leads and the wire leads are corrosion free and the connections > nice and tight. > > My alternator is a later model replacement that has a higher output than the > original 1966 model. Is this the cause of my trouble? > > Thanks > Wayne > 66 Imp > 71 Imp >