Head Light Dimming When Using Power Shutters

[Hiran_j]

The headlight dims a bit when I lower the windows using power shutters.

I have checked the battery (which is a new one) - Lucas Premium MF and they (Lucas centre at Kohuwala) said the voltage is around 14.1 V which is ok.

They checked the alternator and said; it's in good condition.

Is this a normal scenario ? Has any of you had similar experience.

Thanks.

[miniace]

Im sure you noticed this when the car is on idle. This is natural when shutter drive motors are old and rusty. Your drive motors are drawing a bit of significant current. Have your idle RPM set around 750 and get the Power window system serviced.Not a big issue even if you dont do that.Nothing serious to worry. As a precaution ,always use Power windows when the engine is running.

MINIACE

[fonfe]

are the windows slow to move?

Spray silicon grease into the window channels with the windows down. If the channels are weathered then they can bind a little on the windows which will make the motors draw more current when in use.

[Hiran_j]

It's great to hear that its not serious. I thought it as a sign of faulty battery.

Thanks for the replies.

[jaga]

My head lights get dimmed slightly when AC clutch get engaged. I think it is normal because I noticed the same thing happened in a another same type car.

[Sylvi]

The headlight dims a bit when I lower the windows using power shutters.

I have checked the battery (which is a new one) - Lucas Premium MF and they (Lucas centre at Kohuwala) said the voltage is around 14.1 V which is ok.

They checked the alternator and said; it's in good condition.

Is this a normal scenario ? Has any of you had similar experience.

Thanks.

'Hiran_i,

Early 2 Posts by Miniace & fonfe had given you the best advices.

This is normal due to heavy current the motors draw from the battery the H/L gets dim.

Some times when your engine stops on the road with the H/L on, if you operate the self starter motor, the same thing will happen.

Sylvi Wijesinghe.

[Hiran_j]

Thanks all for the replies. I will try to get the windows checked.