Rennlist

Uncooperative Radio

Add to repair workspace

New repair projectOpen repair workspace

Original source

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

THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHUncooperative Radio

Leading reported evidence

Use on 99's often need two wires switched

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
Aftermarket wiring harnesses for 996's used on 99's often need two wires switched.
Original post Read captured discussion
Uncooperative Radio

Frequently discussed work

Clean connections

No successful repair reported for this finding.

0
Reported fixes: 1
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that report an unsuccessful attempt: 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.

Unsuccessful attempt · Original poster
Recently, I removed the radio and cleaned all the connections. Did not help.
Original post Read captured discussion
Uncooperative Radio

Read full discussion summary

Leading evidence: 'Use on 99's often need two wires switched' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean connections' (1 discussions). For that action, 0 discussions report a resolution and 1 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 · 4 captured posts examined · 0 partial discussions

Compare 2 other evidence results

Replace but it works great

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
At first, I thought the radio needed replacing but it works great when engine not running.
Original post Read captured discussion
Uncooperative Radio

Clean connections

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes: 1
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that report an unsuccessful attempt: 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.

Unsuccessful attempt · Original poster
Recently, I removed the radio and cleaned all the connections. Did not help.
Original post Read captured discussion
Uncooperative Radio

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.

Clean connections

No successful repair reported for this finding.

0
Reported fixes: 1
Unsuccessful attempts: 1
Discussions

Read evidence and context

Discussions that report an unsuccessful attempt: 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.

Unsuccessful attempt · Original poster
Recently, I removed the radio and cleaned all the connections. Did not help.
Original post Read captured discussion
Uncooperative Radio

Replace but it works great

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
At first, I thought the radio needed replacing but it works great when engine not running.
Original post Read captured discussion
Uncooperative Radio

Use on 99's often need two wires switched

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
Aftermarket wiring harnesses for 996's used on 99's often need two wires switched.
Original post Read captured discussion
Uncooperative Radio

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.

4 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.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261027T042512Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Hello. I own a 1999 NB 996 C2 coupe which is my daily driver. With the key in the ignition, the radio turns on and stays on only when the engine is off. All controls work but it only works before and after the engine is running. Once the engine starts radio turns itself off. When I arrive at my destination radio turns on until I remove the key from the switch. While driving, the display backlight goes on after I hit the On button, but radio does not work. At first, I thought the radio needed replacing but it works great when engine not running. Recently, I removed the radio and cleaned all the connections. Did not help. Could this be an ignition switch problem or a larger wiring problem? Car has no other electrical problems. Thanks for your advice. Cheers

POST 2Original post

Quotes source post: 13572878

Aftermarket wiring harnesses for 996's used on 99's often need two wires switched. If you have an aftermarket radio and the installer didn't know to swap those power wires, that might be causing your problem. Do you have the stock radio or an aftermarket radio?

POST 3Original post

Quotes source post: 13572878

What type of radio? OEM CDR series or aftermarket. Can you take some pictures?

POST 4 / ORIGINAL POSTEROriginal post

Failed to mention that it is the OEM CDR-210 radio.

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