986Forum

Mystery test plug - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Add to repair workspace

New repair projectOpen repair workspace

Original source

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

THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHMystery test plug - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Leading reported evidence

Use heated seats

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
Sort of looks like WTB connectors out of a BMW, from what I know they're used for heated seats.
Original post Read captured discussion
Mystery test plug - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Frequently discussed work

Run module

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
When I put a daylight running module on my son's first Miata I had to remove a plug that was very similar to that one.
Original post Read captured discussion
Mystery test plug - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Read full discussion summary

Leading evidence: 'Use heated seats' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Run module' (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 · 3 captured posts examined · 0 partial discussions

Compare 2 other evidence results

Run module

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
When I put a daylight running module on my son's first Miata I had to remove a plug that was very similar to that one.
Original post Read captured discussion
Mystery test plug - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Test plug, as it has loopback wires

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 · Original poster
It's clearly some sort of test plug, as it has loopback wires.
Original post Read captured discussion
Mystery test plug - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Frequently discussed actions (3)

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

Run module

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
When I put a daylight running module on my son's first Miata I had to remove a plug that was very similar to that one.
Original post Read captured discussion
Mystery test plug - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Test plug, as it has loopback 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 · Original poster
It's clearly some sort of test plug, as it has loopback wires.
Original post Read captured discussion
Mystery test plug - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Use heated seats

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
Sort of looks like WTB connectors out of a BMW, from what I know they're used for heated seats.
Original post Read captured discussion
Mystery test plug - 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.

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

986Forum: 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: 20261026T061123Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I was cleaning out the map pocket in the passenger door and found this in the bottom. It's clearly some sort of test plug, as it has loopback wires. But beyond that, I have no idea where it came from, how long it's been there or what it is. The part number on it is BMW 1378121. It's 1.5 inches wide by 1.25 inches long. Anyone have good guesses or even identification?

POST 2Original post

When I put a daylight running module on my son's first Miata I had to remove a plug that was very similar to that one. Maybe it is a similar type thing?

POST 3Original post

Sort of looks like WTB connectors out of a BMW, from what I know they're used for heated seats. I'm confident that it's nothing out of the Porsche! Just my two cents !

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