Voltage drop

nelsgary · 06-21-2000, 09:16 AM

Please Help.
89 Lx 2.3l 4 cyl. Voltage drops when ac on and fan in high. battery load test good, alternator bench test good, new alternator same problem, new ends on alternator same problem.

66fastback · 06-21-2000, 06:06 PM

Not sure about the newer cars, but assuming that the VOLTAGE REGULATOR is still a seperate piece from the alternator, I would replace it. It controlls the voltage output from the alt. Doc.

06-21-2000, 09:16 AM	#1
nelsgary Registered Member Join Date: Jun 2000 Location: Bradento,Fl Posts: 1	Voltage drop Please Help. 89 Lx 2.3l 4 cyl. Voltage drops when ac on and fan in high. battery load test good, alternator bench test good, new alternator same problem, new ends on alternator same problem.

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06-21-2000, 06:06 PM	#2
66fastback Registered Member Join Date: Mar 1999 Location: Dallas, TX Posts: 208	Not sure about the newer cars, but assuming that the VOLTAGE REGULATOR is still a seperate piece from the alternator, I would replace it. It controlls the voltage output from the alt. Doc.