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Why Do My Headlights Dim Under Hard Acceleration


riptide

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  • Sucker
  • Moderating Team
  • Member For: 19y 11m 3d
  • Gender: Male
  • Location: Brisbane

:roflmbo: Starting to sound like Cordia

There's no clutch in the alternator like the A/C compressor so no it shouldn't cut out, if anything it gets better with higher revs. Def not normal.

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  • Manual mode ________________________ All day, erryday
  • Donating Members
  • Member For: 16y 4m 4d
  • Gender: Male
  • Location: Probably above atmospheric pressure

Too much power then, fit one of those PB Energy Polarisers.

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  • 1 year later...
  • To Loud
  • Gold Donating Members
  • Member For: 12y 3m 27d
  • Gender: Male
  • Location: WA, Perth

LOL, what a laugh. good to hear you got it solved without the help of the rest of the num nuts in here, including myself.

:P

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  • 1 year later...
  • Member
  • Member For: 13y 2m 10d
  • Gender: Male
  • Location: Auckland, New Zealand

Problem is still there :(

Not a major though. I even tried fitting an earth cable from the front to the battery in the rear.

It's only when the loading is super high and it happens like a switch going off. I'm wondering if the alternator actually cuts on purpose when the air-con does and the headlights run on the lower battery voltage.

It's only under WOT

I'm going to assume that's what it is :)

Edited by riptide
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  • I'm getten too old for this s**t
  • Bronze Donating Members
  • Member For: 10y 11m 21d
  • Gender: Male
  • Location: A big bridge over a river in South Australia

When I put this turbo on and had it re-tuned, I thought my headlight were dimming when I went WOT until I realised the arse end was squatting so much and pointing the lights up

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  • Manual mode ________________________ All day, erryday
  • Donating Members
  • Member For: 16y 4m 4d
  • Gender: Male
  • Location: Probably above atmospheric pressure

I like that answer the best by far

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