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Planet-9

Speedometer signal

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2 captured repliesPartial discussion capture · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHSpeedometer signal

Leading reported evidence

Use abs signal

Suggestion or failed attempt

No successful repair reported for this finding.

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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
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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

Does the speedometer use the ABS signal?

Original post Read captured discussion
Speedometer signal
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Leading evidence: 'Use abs signal' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Use abs signal' (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 · 2 captured posts examined · 1 partial discussions

Frequently discussed actions (1)

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

Use abs signal

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

Does the speedometer use the ABS signal?

Original post Read captured discussion
Speedometer signal
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.

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

  • Planet-9: 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: 20261026T172408Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1Original post

I have read that the speedometer signal comes from a sensor on the right rear hub. I found the ABS sensor; it appears identical to the right front. Any thoughts on finding the signal output / wire? I want to tap that signal. Does the speedometer use the ABS signal? Any thoughts on the location of the wire that feeds ths speedometer (without pulling the dash)? Is the ABS located near the master cylinder? Thanks

POST 2Original post

The dash might not be fed a signal via a wire but a message over the comfort bus (CAN bus) from the engine controller which can deliver upon request vehicle speed in kph. Or the drivetrain controller or even the ABS controller might provide a speed message periodically that the dashboard controller receives and uses to display speed. In some cars there is a VSS signal at a pin at the OBD connector. I don't have the wiring diagrams handy though to see if this is the case for the Boxster and Cayman. Sincerely, Rockster.

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