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Re: 97 4runner dimmer light
Since the lights are working, I would suspect the reostat has failed. You can use a meter to measure the resistance as you adjust the switch.
Does your dimmer switch have a knob or a wheel to adjust the illumination. If it has a knob, pull the knob off, remove the nut securing it to the dash, and remove the switch from behind. May have to remove a panel to get access to the switch.
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