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1999 GMC Yukon Question: lights flickering



nannastaz2001, Gasoline, Oklahoma City, OK, April 03, 2009, 16:11

i have changed the battery,belt,belt tensioner,and the alternator and the lights keep flickering and the charge light keep flickering what in the world could it be I am baffled

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  • Answer #1

    April 04, 2009, 12:09

    You will need to have a thorough inspection of the battery and charging system by someone who is experienced in testing for poor wiring and wiring connectors. If you have poor connections at a wire terminal, you will see these types of problems, however you cannot see these, they need to be diagnosed with a Digital Volt Meter. Start with the battery cables and the charging circuit, then work your way up to the dash warning light/message circuits.

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