Need help with electrical problem - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Dreyvius · 05-24-2012, 10:02 PM

Got a 92' 240 fastback with sr20 redtop, car runs fine. Only when the motor is running all the lights are fluctuating in brightness, even the dash digital clock, and power windows. I'm assuming the voltage regulator on the alternator is the cause, I currently dont have any testing equipment.

Any other ideas as to the causes for such a problem?

I'm not good with electrical stuff really, got the car from a friend. He didnt know why its happening either. I can't find any loose grounds so far. The only thing doesnt fluctuate is the Greddy boost controller. Currently the car doesnt have a deck or amp hooked up.

Boorito · 05-25-2012, 08:53 AM

I am no pro yet, but I think you sound pretty correct about the voltage regulator.

05-24-2012, 10:02 PM	#1
Dreyvius Join Date: May 2012 Location: Dallas Age: 27 Posts: 27 Trader Rating: (0) Feedback Score: 0 reviews	Need help with electrical problem Got a 92' 240 fastback with sr20 redtop, car runs fine. Only when the motor is running all the lights are fluctuating in brightness, even the dash digital clock, and power windows. I'm assuming the voltage regulator on the alternator is the cause, I currently dont have any testing equipment. Any other ideas as to the causes for such a problem? I'm not good with electrical stuff really, got the car from a friend. He didnt know why its happening either. I can't find any loose grounds so far. The only thing doesnt fluctuate is the Greddy boost controller. Currently the car doesnt have a deck or amp hooked up.

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05-25-2012, 08:53 AM	#2
Boorito Leaky Injector Join Date: Oct 2010 Location: my house Posts: 58 Trader Rating: (0) Feedback Score: 0 reviews	I am no pro yet, but I think you sound pretty correct about the voltage regulator.

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