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04-09-2004, 11:00 AM | #1 | |
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Join Date: Apr 2004
Location: Houston, Texas
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'97 Avalon strange flickering headlights
I'm searching everywhere for an answer to this weird problem, haven't found one yet.
-Headlights start flickering very fast, but -only- above 55mphish, continues until I slow down. -Dealer replaced battery, said nothing else wrong, now out of warranty. -No flickering below 50 or so. -Bumps, etc. do not start, interrupt or stop flickering, which is intermittent but continuous every two seconds or so. -Flicker is very fast, not like something loose. -Revving engine to 3000 or so while in park produces no flicker. -Reseated all relays, fuses. -Taped down all wiring in case wind caused something to short. -Searched web for recall/notice but found none. Again, I can drive around town at below 55 or so, bumps, wet, dry, and lights rock solid steady. Sounds very mysteriously electronic/computer in nature due to the point it starts, and the consistent pattern of the flicker. Have run out of ideas, and hate to take back to the dealer. I know they're going to start replacing things for $$$$ until they find it. Any thoughts or advice would be appreciated! Thanks! John |
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05-04-2004, 09:30 PM | #2 | |
AF Enthusiast
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Re: '97 Avalon strange flickering headlights
Maybe the bulbs themselves are bad? I've also heard about the electrical harness that the lights connect to shorting out, getting wet, and going bad.
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1994 Pontiac Grand Am GT - 3100 V6 1992 Chevrolet Lumina Euro - 3100 V6 1997 Ford Escort - 2.0 I4 "She only squeals when she's wet..." |
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01-30-2005, 06:33 PM | #3 | |
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Why don't you see what rpm you are running at 55-60 mph. Then while parked hook a volt/ohm meter on the battery, have someone rev the car and hold it at the rpm you found. See if the voltage varies at a constant rpm and see if you lights are flickering. I suspect you will find trouble in the alternator/voltage regulator system. One other thing to check is the ground side of your system. Clean all point with a wire brush on the negative side. This is the easiest and quickest thing to check. Hope this helps.
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02-10-2005, 12:30 PM | #4 | |
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Was wondering if you found what the problem was with your flickering headlights, we have exactly the same problem....
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