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YOUR RESEARCHhead light issue - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Leading reported evidence
Replace incorrect bulb (3 in pod are same h7
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Performed · outcome unconfirmed
Problem remains as me thinks still bulb and you changed incorrect bulb (3 in pod are same H7 but contrary to thought...
head light issue - 986 Forum - The Community for Porsche Boxster & Cayman Owners
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Leading evidence: 'Replace incorrect bulb (3 in pod are same h7' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'after going thru' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Check headlight switch' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that suspect a cause
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Suspected cause
But suspect after going thru that you'll be right back here.
head light issue - 986 Forum - The Community for Porsche Boxster & Cayman Owners
switch is the next area
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Identified cause
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Suspected cause · Original poster
If not, I suspect the switch is the next area to replace.
head light issue - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Check headlight switch
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Suggestion
i would suggest checking the headlight switch but it seems to be operating according to your words
head light issue - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Check these 2 fuses
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head light issue - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Coverage and how to read this overview
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
9 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
986Forum: 1 discussions
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1 acknowledgements have no verified action link; they do not establish a repair result.
Any help is appreciated...
'03 Boxster with headlight not working. When light switch in parking mode both headlights are dimmed. When in light on position, passenger side will not light up. When full beam on, both driver/passenger working.
Most obvious fix... change the bulb. Did that, issue not resolved. Scratching my head how the issue could still remain. Thoughts anyone?
you can check these 2 fuses. posted this on a thread i have with misc information but these 2 are only labeled side markers but actually effect both the taillights and headlights operability. i would suggest checking the headlight switch but it seems to be operating according to your words
Assuming halogen lights, right? b/c xenons use one bulb but a sliding lens so if out on low out on high.
Problem remains as me thinks still bulb and you changed incorrect bulb (3 in pod are same H7 but contrary to thought... low beam bulb is up high, high beam bulb low, and fog is inset).
Dim light you see is "city light" (194 IIRC). Anyhow, here's quick test... rotate all h7 bulbs in pod by one position... doesn't matter clockwise or anti-clockwise. Problem likely will follow to rotated position one spot.
Report back findings and we'll go from there.
Good luck
a stupid question, but isn't the H7 base built in such a way that it only fits in one orientation? So a 360° rotation would be pointless...?
Maybe I got you wrong...
Thanks for the feedback. Halogen light and there's an indent to prevent installation issue. Will recheck it however to make sure its clamped correctly. If not, I suspect the switch is the next area to replace.
Sure, you can always remove said switch and with a bypass jumper wire connecting correct pins test and see if lights return to normal. But suspect after going thru that you'll be right back here.
To make crystal clear,
RELOCATE
(aka rotate to another socket) the h7 bulb from high beam to the fog, and fog's orig bulb to low beam. And finally low beam to high beam. Plug all back in again and I'm gonna say dollars to donuts the light no longer working will be the.... high beam. (You could just do the high to low and low to high but since you're having fun... ).
Good luck
It appears you state that only one headlight works on low beam and both work on high beam.
First suggestion is burned out bulb. The bulbs are unique between low and high, although same H7 spec, of which there are four.
Using hard to follow language, it's suggested moving a known good bulb to the connector now connected to the non working bulb. A good suggestion.
It's been the German standard for decades that the wire to the bulb for low beam is yellow and the wire to the bulb for high beam is white. Ground is always brown.
This is a source reference. Confirm exact model applicability in the original material.
