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YOUR RESEARCHPower Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Leading reported evidence

Check fuse box, and removed the drivers side fuse

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Performed · outcome unconfirmed · Original poster
I checked the fuse box, and removed the drivers side fuse.
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Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

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Leading evidence: 'Check fuse box, and removed the drivers side fuse' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check fuse box, and removed the drivers side fuse' (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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Replace fuse

Performed · outcome unconfirmed

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Performed · outcome unconfirmed · Original poster
I've replaced the fuse with a new 30A fuse; however the seat doesn't want to work.
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Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Check over the wiring

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Suggestion
I would check over the wiring from the fuse panel to the seat motors, and then start inspecting/ testing the seat motors.
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Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Check switch

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Suggestion
If this is good, check the switch for resistance.
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Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Disconnect electrical connector

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Suggestion
If you have a DMM, you can disconnect the electrical connector to the seat and see if you get 12 volts from the harness (not the seat) connector (Brn - and Rd + wires).
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Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Frequently discussed actions (9)

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Check fuse box, and removed the drivers side fuse

No successful repair reported for this finding.

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Reported fixes: 0
Unsuccessful attempts: 1
Discussions

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Discussions that performed work without a confirmed outcome: 1

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Performed · outcome unconfirmed · Original poster
I checked the fuse box, and removed the drivers side fuse.
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Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Check over the wiring

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Suggestion
I would check over the wiring from the fuse panel to the seat motors, and then start inspecting/ testing the seat motors.
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Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Check switch

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Suggestion
If this is good, check the switch for resistance.
Original post Read captured discussion
Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Disconnect electrical connector

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Suggestion
If you have a DMM, you can disconnect the electrical connector to the seat and see if you get 12 volts from the harness (not the seat) connector (Brn - and Rd + wires).
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Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Inspect /

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Suggestion
I would check over the wiring from the fuse panel to the seat motors, and then start inspecting/ testing the seat motors.
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Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Repair due

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Suggestion
Seems something caused the fuse to blow, so you may have some repair due.
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Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Replace fuse

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Discussions that performed work without a confirmed outcome: 1

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Performed · outcome unconfirmed · Original poster
I've replaced the fuse with a new 30A fuse; however the seat doesn't want to work.
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Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Replace fuse it would likely blow

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Suggestion
If it was a wiring short, when you replaced the fuse it would likely blow again.
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Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

Test seat motors

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Discussions that contain suggestions: 1

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Suggestion
I would check over the wiring from the fuse panel to the seat motors, and then start inspecting/ testing the seat motors.
Original post Read captured discussion
Power Seat Not Functioning - 986 Forum - The Community for Porsche Boxster & Cayman Owners

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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.

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Generation: 20261027T140027Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I have a 2003 Boxster S, and the power seat stopped working. The passenger seat still works. I checked the fuse box, and removed the drivers side fuse. It was clearly a blown fuse from the appearance of the fuse. I've replaced the fuse with a new 30A fuse; however the seat doesn't want to work. Can anyone help?

POST 2Original post

Well something caused that fuse to blow. If it was a wiring short, when you replaced the fuse it would likely blow again. I would check over the wiring from the fuse panel to the seat motors, and then start inspecting/ testing the seat motors. Its entirely possible one of the motors died as well. Patrick

POST 3Original post

Seems something caused the fuse to blow, so you may have some repair due. If you have a DMM, you can disconnect the electrical connector to the seat and see if you get 12 volts from the harness (not the seat) connector (Brn - and Rd + wires). You probably will need the ignition key in the #1 position. If you get 12 volts, your trouble is in the seat motor or the switch. Again using the DMM, see if you have continuity between the Brn and Gry/Grn wires of the seat electrical connector when you move the switch to the back position and between the Brn and Gry/Blk wires when the switch is in the forward position. If this is good, check the switch for resistance. If you have a DMM which also measures resistance (ohms), do the same check as before and you should see ∞ with the switch open (not activated) and 0 with the switch closed (activated). If you don't get either of these readings, your switch is bad and will need replacing. If the switch checks out, then the motor is probably bad and will need replacing or rebuilding (which may be cheaper than replacing it).

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