Rennlist

Lightronic intermittent issue

Add to repair workspace

New repair projectOpen repair workspace

Original source

10 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis

THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHLightronic intermittent issue

Leading reported evidence

Replace 02 switch this weekend(by mechanic)

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

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 performed work without a confirmed outcome: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed
I too replaced my 02 switch this weekend(by mechanic)
Original post Read captured discussion
Lightronic intermittent issue

Read full discussion summary

Leading evidence: 'Replace 02 switch this weekend(by mechanic)' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace 02 switch this weekend(by mechanic)' (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.

Read captured replies

1 matching discussions · 10 captured posts examined · 0 partial discussions

Compare 3 other evidence results

Replace headlight switch and it's been fine ever since

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that performed work without a confirmed outcome: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed
I replaced the headlight switch and it's been fine ever since.
Original post Read captured discussion
Lightronic intermittent issue

Replace need a small screw driver and a strong back

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion
10 min to change, need a small screw driver and a strong back.
Original post Read captured discussion
Lightronic intermittent issue

Test ignition switch in a similar way

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion
You should be able to test the ignition switch in a similar way.
Original post Read captured discussion
Lightronic intermittent issue

Frequently discussed actions (4)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Replace 02 switch this weekend(by mechanic)

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that performed work without a confirmed outcome: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed
I too replaced my 02 switch this weekend(by mechanic)
Original post Read captured discussion
Lightronic intermittent issue

Replace headlight switch and it's been fine ever since

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that performed work without a confirmed outcome: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed
I replaced the headlight switch and it's been fine ever since.
Original post Read captured discussion
Lightronic intermittent issue

Replace need a small screw driver and a strong back

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion
10 min to change, need a small screw driver and a strong back.
Original post Read captured discussion
Lightronic intermittent issue

Test ignition switch in a similar way

No successful repair reported for this finding.

0
Reported fixes: 0
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that contain suggestions: 1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion
You should be able to test the ignition switch in a similar way.
Original post Read captured discussion
Lightronic intermittent issue

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.

10 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

Rennlist: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T103553Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Wondering if anyone has seen this before. 2003 C2, lightronic - went to pull out of the driveway yesterday - turned the headlight **** and only the parking lights came on. Turned the switch back to the offi position and then on again and both headlights came on. This morning - turned the switch on again and only the passenger light ignited - then turned on and off again and both came on....

POST 2Original post

have heard, (not experienced) Switch is #1 suspect.

POST 3Original post

+1 light switch. It is a known weak link on the 996.

POST 4Original post

any other electrical gremlins?... if so, Ignition switch is problematic as well.

POST 5 / ORIGINAL POSTEROriginal post

Well, last week the turn signal stopped cancelling and the ignition switch did try to eat my key a couple of months ago...

POST 6Original post

Quotes source post: 6415097

might want to buy a spare... thats a sign of a switch going bad. You dont want to get stuck somewhere... I did, at the track of all places... yes I had spare with me... 10 min to change, need a small screw driver and a strong back. Though this might be a separate issue from your lights... or it might fix it.

POST 7Original post

I had a similar problem with my 2000. When you turned the headlight switch on, either the passenger side light would come on and not the drivers side or only the parking lights would come on. If I turned the switch off and on multiple times, both lights would eventually fire. I replaced the headlight switch and it's been fine ever since. You should be able to test the ignition switch in a similar way. Just wiggle the key and see if that resolves the issue.

POST 8 / ORIGINAL POSTEROriginal post

Thanks Dan - Here is hoping that it is covered by my CPO warranty....

POST 9Original post

I too replaced my 02 switch this weekend(by mechanic)

POST 10Original post

Quotes source post: 6415123

wait, I just checked this part... is it like $15?? or is there more to it. If the key sticks is that a differant issue? Thanks

This is a source reference. Confirm exact model applicability in the original material.