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YOUR RESEARCHRunning wires through firewall - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Leading reported evidence
Run wires
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Suggestion
Also, once into the battery compartment area, run the wires under the cowl towards the passenger side about 18" or so IIRC.
Running wires through firewall - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Frequently discussed work
Clean install
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Suggestion
There's also some other grommets and carpet cutouts between the battery box and the rest of the front trunk that let you do a really clean install to get up near the amp area without running wires over the rubber seals.
Running wires through firewall - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Read full discussion summary
Leading evidence: 'Run wires' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean install' (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.
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.
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Performed · outcome unconfirmed
It's a few inches in diameter and I just cut a slit in it and ran my wires through that way then worked it back into the hole in the firewall.
Running wires through firewall - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Use cd- changer) and you'll be good
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No successful repair reported for this finding.
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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
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Performed · outcome unconfirmed
Feed the wires thru the plug there (normally used for a CD- Changer) and you'll be good to go.
Running wires through firewall - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Clean install
Suggestion or failed attempt
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Discussions that contain suggestions
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Suggestion
There's also some other grommets and carpet cutouts between the battery box and the rest of the front trunk that let you do a really clean install to get up near the amp area without running wires over the rubber seals.
Running wires through firewall - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Replace most based bose and cdr23
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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.
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Suggestion · Original poster
I am upgrading my Bose stereo with Kenwoord Excelon X393 head and Alpine PDX 5 amp, replacing the MOST based Bose and CDR23.
Running wires through firewall - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Frequently discussed actions (7)
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Clean install
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
There's also some other grommets and carpet cutouts between the battery box and the rest of the front trunk that let you do a really clean install to get up near the amp area without running wires over the rubber seals.
Running wires through firewall - 986 Forum - The Community for Porsche Boxster & Cayman Owners
Run wires over the rubber seals
No successful repair reported for this finding.
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Reported fixes
0
Unsuccessful attempts
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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
There's also some other grommets and carpet cutouts between the battery box and the rest of the front trunk that let you do a really clean install to get up near the amp area without running wires over the rubber seals.
Running wires through firewall - 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.
5 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
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Generation: 20261026T144035Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I am upgrading my Bose stereo with Kenwoord Excelon X393 head and Alpine PDX 5 amp, replacing the MOST based Bose and CDR23. I figured out most of the electrical wiring, but need to thread a six wire (Monster) RCA cable from the HU to the amp through the firewall. I found some info, but no clear picture of the best place (grommet) to pull the wire through. Any suggestions are very welcome. I will post my experiences once I have completed the job.
Thanks for any hints!
Easy - there is a blank rubber grommet about 6" directly above the gas pedal with nothing in it from the factory. People will use it to run the rear speaker kit thru to the front amp. Can't see it from the inside as it's covered w/ sound deadening material. However, when you remove the battery completely from the tray, you'll see it behind there. Just cut an X into the black rubber plug w/ a utility knife and poke a hanger thru it. Then go into the cabin and look directly above the gas pedal for your hanger. Search for a rear speaker kit installation DIY and you'll find pictures.
Also, once into the battery compartment area, run the wires under the cowl towards the passenger side about 18" or so IIRC. Then bring them to the front of the car and you find a blanked plug leading to the frunk itself. Feed the wires thru the plug there (normally used for a CD- Changer) and you'll be good to go.
Post up some pics/details when you're all done.
Good luck
When I did my stereo install I ran wires to the amp and the Sirius control box and iPod adapter into the front trunk. There's a pretty big grommet just above the gas pedal on the firewall, it's kinda hard to see from the interior because there's felt on that side of it, but if you look just behind the battery from inside the front trunk it's on the firewall towards the driver's side of the car.
It's a few inches in diameter and I just cut a slit in it and ran my wires through that way then worked it back into the hole in the firewall. There's also some other grommets and carpet cutouts between the battery box and the rest of the front trunk that let you do a really clean install to get up near the amp area without running wires over the rubber seals.
Resurrecting an old thread. I am just about to route some wires from the frunk to the head unit and it seems my '03 RHD Boxster S has TWO unused grommets from the battery area:
Which one is best to use? Or is there a 3rd one?
Note my car has an aftermarket battery which I suspect is smaller than the original hence the unrestricted view of the grommets.
This is a source reference. Confirm exact model applicability in the original material.
