7 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHHeadlight switch question
Leading reported evidence
Use electrical tape, liquid electrical tape and heat wrap
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Discussions that performed work without a confirmed outcome
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Performed · outcome unconfirmed
I used electrical tape, liquid electrical tape and heat wrap to separate the wires.
Leading evidence: 'Use electrical tape, liquid electrical tape and heat wrap' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check wiring and bulbs in the tail lights first' (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.
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Suggestion
What I would do is check the wiring and bulbs in the tail lights first.
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.
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Suggestion · Original poster
Here is the symptom- turn car on (99 C2 Canadian version with daytime running lights) and the taillights come on as they should.
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7 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261026T191851Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I'm stumped, my taillights have been acting strangely. Here is the symptom- turn car on (99 C2 Canadian version with daytime running lights) and the taillights come on as they should. Sometimes they stay on and act normally but other times one side will cease functioning and go dark. Sometimes it's the driver side and other times it's the passenger side. I removed the headlight switch and sprayed contact cleaner in the post hole as I had read about before but this didn't seem to help. Any experience with this issue anyone?
Your switch probably isn't causing the symptoms you describe. It doesn't actually switch the lights on, its just telling relays what to do, and they do the actual switching. What I would do is check the wiring and bulbs in the tail lights first. Chances are the soy-based insulation has degraded or you have a bad connection in the tail light assembly.
Electrical lighting gremlins are frequently caused by the electrical portion of the ignition switch. Try replacing that. It's on the back side of the key cylinder, and can be accessed by reaching under the dash. It's a tight fit, and tricky to access. Search the forum for some good DIY's.
I had the same issue. Finally traced it to the internal wiring in the headlights. As someone noted, the insulation crumbled off in my hands. I guess I would call it dry rot. Lots of wires touching. I used electrical tape, liquid electrical tape and heat wrap to separate the wires. I have had no issues since then.
While ignition and lighting were both damaged in my car, I can confirm that BOTH can cause the issues you're describing. My light switch was so far gone that it literally disintegrated inside. When I shook it it made a rattling sound! I turned it over and shook out all the plastic bits. It looked like sand. The symptoms were faulty lights (headlights would turn on but not the side makers, etc.)
The ignition switch caused issues with starting the car and getting it to think it's running. I replaced it and my interior lights started working, it started dinging and beeping again, etc. I still can't lock my doors with the remote but I think that's an immobilizer issue.
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