lights flickering on 1999 GMC Yukon

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

by in Oklahoma City, OK on April 03, 2009
1 answer
ANSWER by on April 04, 2009
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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