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Parasitic Drain on Spoiler Extension

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Original source

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

THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHParasitic Drain on Spoiler Extension

Leading reported evidence

Disconnect wiring loom

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
I�ve tried to identify the source of the problem on the circuit by disconnecting the wiring loom to the spoiler in the engine bay and removing the relays under the parcel shelf, in both tests the voltage continues to drop at the same rate.
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Parasitic Drain on Spoiler Extension

Read full discussion summary

Leading evidence: 'Disconnect wiring loom' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Disconnect wiring loom' (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 · 1 captured posts examined · 0 partial discussions

Compare 2 other evidence results

Reset itself 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 · Original poster
The only clue I have is that on the last drive with a faulty voltage regulator when I hit 75mph the voltage appeared to spike to 16V+ and the dash lit up, went blank and then reset itself back to normal.
Original post Read captured discussion
Parasitic Drain on Spoiler Extension

Test of current draw

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
I performed a test of current draw with the car locked and it was drawing 660mA.
Original post Read captured discussion
Parasitic Drain on Spoiler Extension

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.

Disconnect wiring loom

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
I�ve tried to identify the source of the problem on the circuit by disconnecting the wiring loom to the spoiler in the engine bay and removing the relays under the parcel shelf, in both tests the voltage continues to drop at the same rate.
Original post Read captured discussion
Parasitic Drain on Spoiler Extension

Reset itself 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 · Original poster
The only clue I have is that on the last drive with a faulty voltage regulator when I hit 75mph the voltage appeared to spike to 16V+ and the dash lit up, went blank and then reset itself back to normal.
Original post Read captured discussion
Parasitic Drain on Spoiler Extension

Test of current draw

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
I performed a test of current draw with the car locked and it was drawing 660mA.
Original post Read captured discussion
Parasitic Drain on Spoiler Extension

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.

1 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
The only clue I have is that on the last drive with a faulty voltage regulator when I hit 75mph the voltage appeared to spike to 16V+ and the dash lit up, went blank and then reset itself back to normal.
Original post Read captured discussion
No unique explicit quoted action; no causal link assigned

Generation: 20261026T155324Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

The voltage regulator on my 996 (�99 Cab) was failing and I recently replaced it along with a new Bosch battery for good measure. Performance is now good, and it puts out 14V while at idle/driving but I was getting a parasitic drain with the battery dropping to <12V in 24 hours which I�d never had before. I performed a test of current draw with the car locked and it was drawing 660mA. Pulling all the fuses found D8 (Spoiler Extension) was the culprit and after that current draw was ~30mA and voltage would hold. I�ve tried to identify the source of the problem on the circuit by disconnecting the wiring loom to the spoiler in the engine bay and removing the relays under the parcel shelf, in both tests the voltage continues to drop at the same rate. The spoiler functions via the bypass buttons on the fuse box with no issue. With the fuse out I get a light on the dash if I go over 75mph but otherwise no warning light below that speed. The only clue I have is that on the last drive with a faulty voltage regulator when I hit 75mph the voltage appeared to spike to 16V+ and the dash lit up, went blank and then reset itself back to normal. Could the drain be in the instrument cluster?

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