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Electrical gremlin

  

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2008 Tacoma prerunner 2wd automatic 148k

  1. When headlights are off brake and taillights work fine. When headlights are on abs light immediately comes on and the right rear taillight goes dim and brake light doesnt work at all the left side works no matter what. Ive changed the brake light pressure switch twice checked fuses and grounds everything seems good am i missing something? Please help thanks in advance.

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1 Answer
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Load test the battery and alternator. 


Alternator was replaced a couple weeks ago and battery is still good


Remove the bulbs from headlight and try again, if the issue stopped, you might have issues with the bulb sockets.


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