Flickering lights!

7990 Views 7 Replies 6 Participants Last post by Bow, Dec 21, 2009

Atlantic Xpat

Discussion Starter · Dec 17, 2009

I have an 02 Frontier crew cab, 3.3L which I bought a month or so ago. I have a problem that the headlights (& the interior dome when illuminated) flicker constantly and annoyingly when the engine is running. The battery appears fine - no starting problems - and the motor is running OK. Any thoughts on what could be the root cause? Alternator, Grounding, Voltage regulator (does the Frontier have a seperate voltage regulator or is it part of the alternator).

Appreciate any insight that anyone can bring to this problem!

Cheers,
AX

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TwoBills

· #5 · Dec 19, 2009

I'd clean and grease all your ground points. Start w/the battery terminals and main ground on the block. Look behind the air filter, on the wheel well. Search 'em out. They're all over the place.

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TwoBills

· #7 · Dec 19, 2009

There's a good, old fashioned, sure fire way of checking out an alternator while it's on the vehicle, but you gotta have your stuff together to do it. I always get flamed when I mention it because a lot of people around here have problems w/reading and comprehending the entire post. So I'll leave it for another day.

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