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R34 Gtt Voltage Fluctuations

nuffsaid
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nuffsaid Veteran

nuffsaid

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Hi all

Ever since I got my car ive noticed that the voltage fluctuates.

For example, when winding up the power windows, the voltage will go down a little, then spike down some more as the window reaches the top and kinda stops winding.

No big deal to me as I think thats probably normal.

But sometimes, when I drive, if I press the brake pedal, the voltage drops down a volt or 2 very quickly and then rises again. Sometimes little things like this happen which make me wonder if there is a need for a grounding system or something.

Does the same happen to you? is it normal? is it worth fixing with a cheap grounding kit?

Thanks all

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choyda Veteran

choyda

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Posted
Hi all

Ever since I got my car ive noticed that the voltage fluctuates.

For example, when winding up the power windows, the voltage will go down a little, then spike down some more as the window reaches the top and kinda stops winding.

No big deal to me as I think thats probably normal.

But sometimes, when I drive, if I press the brake pedal, the voltage drops down a volt or 2 very quickly and then rises again. Sometimes little things like this happen which make me wonder if there is a need for a grounding system or something.

Does the same happen to you? is it normal? is it worth fixing with a cheap grounding kit?

Thanks all

Hi,

The power windows fluctuation is normal. As for the brake pedal, I don't get it. Maybe an issue with your battery? I get it when the xenons charge up only for a split second though.

nuffsaid Veteran

nuffsaid

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Yeah I think the voltage fluctuation is due to the brake lights lighting up, only happens sometimes.

I had to replace my battery since it was getting old, even with a brand new battery it still drops and spikes here and there upon things like stepping on the brake pedal.

Yo-Yo Grand Master

Yo-Yo

Posted
Posted
Try turning your stereo up full volume...u'll notice tht too :rant: Its normal I'm pretty sure.

I get that. Happens when I turn on my alarm as well.

Small spikes that occur as the result of an action ie; using windows, sunroof stereo etc. shouldn't be a problem.

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