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  #1  
Old June 21st, 2015, 11:28 PM
Ai91
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Anthony
97 defender 90
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Lights flickering.

Hey guys. All the lights on my d90 flicker. All interior lighting and my headlights and taillights. Also my rpm gauge jumps up and down and doesn't read my actual rpm's. Anyone know what could be the cause of this?
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  #2  
Old June 21st, 2015, 11:45 PM
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Ren Ching
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Skinny Pete
'84 90 "Yamelo"/'88 RRC "Chewbacca"
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Diode ripple from a bad diode pack in your alternator. You probably need a new one, you can get it tested for free on the car at most auto parts stores.

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Originally Posted by Ai91 View Post
Hey guys. All the lights on my d90 flicker. All interior lighting and my headlights and taillights. Also my rpm gauge jumps up and down and doesn't read my actual rpm's. Anyone know what could be the cause of this?
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Present:
1960 SII 109"- "Red Square"
1984 90 Tdi- "Yamelo"
1988 RRC- "Chewbacca"
1987 RRC- "Chewy 2"
2008 RRS SC- "The Supersofa"

Past:
1959 SII 88"- "The Little Green Beastie" last seen in NY
1972 SIII 88"- "GreenHELL" now in NC
1988 90 "Eric the Half a Bee" half a truck, sold for parts
1991 RRC- never got a name- long since recycled
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  #3  
Old June 22nd, 2015, 10:36 AM
Ai91
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Anthony
97 defender 90
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Quote:
Originally Posted by Ren Ching View Post
Diode ripple from a bad diode pack in your alternator. You probably need a new one, you can get it tested for free on the car at most auto parts stores.
thank you
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  #4  
Old February 6th, 2016, 10:54 PM
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brettm
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Brett
97 D90-SW, Arles +4.6
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My headlamps and interior lights started flickering. It's only very slight - not that severe, but it's a new symptom.

Here's a video showing how they look, probably easier to see the pulse-rate by the headlamps on the wall vs. the panel.

Is this the same symptom that the OP mentions where a "bad diode pack" is the possible cause?

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