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2005 Chevy Colorado...
 
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2005 Chevy Colorado 2.8L 4 cylinder 5 speed manual 116k miles

  

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Head lights and tail lights blink when I turn my truck on and continue to blink unless they're manually turned off. This only happens when lights are in auto (which is 24/7 due to the design). There is no way for me to keep them from blinking while the truck is running unless I manually turn the headlight switch to the ON position and then to the OFF position when I shut my vehicle down. The blinking lights are only the head lights and tail lights. Any ideas?


1 Answer
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Check the flasher relays in the lighting circuits for malfunction.


The relays didn’t fix it. The main one was buzzing for a few seconds but placing a new one did nothing. Any other suggestions? TIA


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