Question about Mercury Marquis

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I have been having a short problem with my 1995 grand marquis since i bought it. whenever I turn the steering wheel to the right the battery light comes on, i feel a slight vibration in the wheel and the lights dim as I assume this is shorting the alternator out. it has never killed the car but i know its hard on the alternator. any suggestions or recommendations?

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Hello, I would say to look at the ABS wiring to the front wheels. When you turn your wheel to the right both front wheels move. On one side or the other there must be a shorted wire contacting the frame when the wires twist a certain way.

This would account for the vibration in the wheel caused by the ABS sensor grounding. This would also account for the Battery signal and the lights dimming. It is possible your Serpetine belt is stretched or the Tension pulley is weak with the load of the steering working.

But this would not fully account for it to do this in only one direction. The Serpetine belt still travels the same direction no matter which way the steering wheel is turned. So if extra pressure is needed to make the steering work harder turning right, then some parts are binding more on one side of the car. You need to have your Balljoints checked.

I hope my solution gives you some ideas to fix your car. I recommend checking the items I have mentioned starting with the Balljoints.

Posted on Mar 23, 2011


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