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Old 12-23-2017, 02:03 PM   #1
Eastpierce
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Member#: 214594
Join Date: Jun 2009
Chapter/Region: RMIC
Location: Kalispell MT
Vehicle:
2004 Impreza TS
Mostly silver...

Default Odd headlight problem

I recently noticed my driver side low beam was looking dim on my ‘04 Impy. I replaced both bulbs with a pair of fancy NAPA bulbs, and now the passenger side is VERY dim. The high beam also glows on the passenger side, and the high beam indicator lights up on low beam. When I switch to high beams, the indicator goes out, the drivers HB lights up, and the passenger lights go out completely. I put the old bulb back in, same symptoms. I have my DRL module unplugged, and have cheesy eBay projector housings. I didn’t install them, they came on the car, so I can’t verify the integrity of the wiring. Any ideas?
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Old 12-23-2017, 04:55 PM   #2
Charlie-III
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Member#: 30669
Join Date: Dec 2002
Chapter/Region: Tri-State
Location: USA, North NJ, 07456
Vehicle:
1998 Legacy 2.5GT
Silver Sleeper BK, 5MT

Default

Sounds most likely a crappy ground on the dim side. Whether it's the plug or the chassis ground, who knows from this side of the Internet.
Most bulbs, they either work or they don't. A bad ground will limit current flow such that the light output is low, thus dim.
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Old 12-23-2017, 06:24 PM   #3
Mulder
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Join Date: Oct 2001
Chapter/Region: Tri-State
Location: NYC
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02 RAV4 MT
15 WRX/11 CRZ

Default

Sounds like a blown headlight fuse on the passenger side. It will light up dim due to backfeeding through the opposite side filament.
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Old 01-10-2018, 02:46 AM   #4
Eastpierce
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Member#: 214594
Join Date: Jun 2009
Chapter/Region: RMIC
Location: Kalispell MT
Vehicle:
2004 Impreza TS
Mostly silver...

Default

KISS principle prevails again. It was indeed the fuse.
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