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lt2duffer · 04-27-2007, 07:26 PM

Thanks qldit!
The vehicle is a 1 ton truck with a large(00) cable going from the negative battery terminalto the engine block. I guess I need to find someone with a more strenuous test of the alternator than O'Reilly's uses. In the mean time, I will check for voltage in the negative cable and check some of your other suggestions as well. I have trouble believing that a NEW delco alternator has a bad diode, but I guess all things are possible with electronics.

04-27-2007, 07:26 PM	#5 (permalink)
lt2duffer Registered User Join Date: Apr 2007 Posts: 4 OS: xp pro	Re: 98 Chevrolet Truck Thanks qldit! The vehicle is a 1 ton truck with a large(00) cable going from the negative battery terminalto the engine block. I guess I need to find someone with a more strenuous test of the alternator than O'Reilly's uses. In the mean time, I will check for voltage in the negative cable and check some of your other suggestions as well. I have trouble believing that a NEW delco alternator has a bad diode, but I guess all things are possible with electronics.