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Need help with wiring diagram

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10 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHNeed help with wiring diagram

Leading reported evidence

Run number of ground wires

Suggestion or failed attempt

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 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

I believe they may be ground points where they run a number of ground wires to various juncture points.

Need help with wiring diagram
Read full discussion summary

Leading evidence: 'Run number of ground wires' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Run number of ground wires' (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.

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

Compare 3 other evidence results

Run wire

Suggestion or failed attempt

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 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 · Original poster

One obvious way is to remove the tail light and tap into that wire and run a wire from there back into the cabin.

Need help with wiring diagram

Run wire back into the cabin

Suggestion or failed attempt

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 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 · Original poster

However, a cleaner alternative would be to find the wire running to the tail lights (or front blinker) circuit inside the cabin already and tap into it there instead of running a wire back into the cabin from the tail lights.

Need help with wiring diagram

Use multi tester

Suggestion or failed attempt

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 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

I would use a multi tester to verify.

Need help with wiring diagram
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.

Run number of ground wires

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

I believe they may be ground points where they run a number of ground wires to various juncture points.

Need help with wiring diagram

Run wire

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 · Original poster

One obvious way is to remove the tail light and tap into that wire and run a wire from there back into the cabin.

Need help with wiring diagram

Run wire back into the cabin

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 · Original poster

However, a cleaner alternative would be to find the wire running to the tail lights (or front blinker) circuit inside the cabin already and tap into it there instead of running a wire back into the cabin from the tail lights.

Need help with wiring diagram

Use multi tester

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

I would use a multi tester to verify.

Need help with wiring diagram
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.

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

Outcome without a verified action link

I tried to blow up the diagram to get a closer and less fuzzy look but that didn't work.

No unique explicit quoted action; no causal link assigned

Generation: 20261026T172408Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Hello, I have a 2002 996 C4S and I need to tap into the left and right turn blinker circuits. It doesn't matter if it is the wire going to the tail lights or the side blinker lights, I just need this signal routed back under the dash. One obvious way is to remove the tail light and tap into that wire and run a wire from there back into the cabin. However, a cleaner alternative would be to find the wire running to the tail lights (or front blinker) circuit inside the cabin already and tap into it there instead of running a wire back into the cabin from the tail lights. Do any one know where such wire would be around the driver's seat. There are a lot of wires under the dashboard, I just have no idea how to find the right one. I've done a lot of work on BMW's before, and in a BMW I would just find a pinout from a light control module and go from there. Is there an equivalent in a Porsche?

POST 2Original post

Perhaps start with the steering wheel turn signal switch? Both circuits will be right there on the turn signal switch and go under the dash.

POST 3Original post

Looks like those wires can be found under your driver's seat. They're listed as going to your alarm via a white connector. The diagram shows one black with white tracer going to right side one black with green tracer to the other taillight. Wire is 1MM in size and located under dash as well. I would use a multi tester to verify.

POST 4Original post

Also, search for "wiring your side marker lights to blink". In there are the wires near the front wheels that are for the blinkers.

POST 5 / ORIGINAL POSTEROriginal post

I was browsing wiring diagrams and I see that each signal that I am looking for goes to points labelled as VS34 and VS33 (circled in red). From there they split and go to various wires. What are VS 33 and VS 34 and where do I find their location?

POST 6 / ORIGINAL POSTEROriginal post

Nobody? I would imagine that someone must know what these VS designations mean.

POST 7Original post

Im pretty sure the vs is just a splice point in the harness.

POST 8Original post

I believe they may be ground points where they run a number of ground wires to various juncture points. A schematic is just that - a layout of the various electrical connectors and not the actual location. Could be behind the dash, next to the fuse block, on the passenger side next to the power distribution box, under the drivers seat (a good one there) or on the rear firewall. I tried to blow up the diagram to get a closer and less fuzzy look but that didn't work. Seems I remember in the electrical diagrams a location diagram of all the grounding points on the car. Remember voltage flows from + to -, so while a particular switch may have constant 12V, it is the connection to ground that switches things on and off.

POST 9 / ORIGINAL POSTEROriginal post

De Jeeper, I believe that you are right. I guess the questions is how to find these. Perhaps not worth the hassle, I will just look for the specific wired. DBJoe996. I don't think that these are ground points. You wouldn't want to ground the positive signal from the switch.

POST 10Original post

Did a little digging in my wiring diagrams. Now my wiring diagrams are for 98/99 models, not sure about 2000 and beyond. Anyway:

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