dashboard lights flickering help

michael2029 · Nov 26, 2007

help i just bought a 96 4dr 4x4 tahoe with 56,000 original miles almost brand new

but abs light is on and the dashboard lights flicker what causes this and how can i fix it by the way great forum

mygreen98 · Nov 26, 2007

do you mean the back lighting on the gauges?

michael2029 · Nov 27, 2007

yea the backlight and the dome lights when they are on

Mike97 · Nov 27, 2007

Can you be a little bit more descriptive? Does this happen only when you are moving? Does it happen when you are sitting still idling? Does it flicker in a pattern or rhythm, kind of like pulsing, or is it erratic?

I would suspect that your alternator is going if it is pulsing. Other problems would be corroded battery cables or a bad ground somewhere.

michael2029 · Nov 27, 2007

it does it all the time steady pace more so in the morning but i dont know cause i dont use the lights during the day but damn its annoying

Mike97 · Nov 27, 2007

Sounds like your alternator is going out. Take your rig to an auto parts store. They should be able to test the alternator with it still in the vehicle. I usually go to NAPA, but I've heard that Auto Zone and Schucks can also do this. It is usually free for them to test it.

dashboard lights flickering help

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