Originally Posted by edz968s

Beginning to think so, cheap camera, though no screen activates in reverse.

Originally Posted by svandamme

Go under the cowl if you want something better than the PCCM shelf
or remove the blower vents , to gain access to the area behind it, as others have pointed out.
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Originally Posted by milazzo_997tt

Installed the new PCCM+ today. Other than having trouble taking the old unit out, everything seemed to go smoothly. The only odd thing is that when I turned the car on after the install, I noticed my headlights were on. The switch was set to "Home" so the lights shouldn't have been on. When I turn the switch as if to turn the lights on, the gauges in the car light up like they should but the headlights/tail lights stay on regardless of the setting. Has anyone ever heard of this before?

Originally Posted by Alfnado

Has anyone with Bose confirmed if the ”fm converter box” bypass is necessary? It’s step 4 of the guide.

Originally Posted by myw

if using oem 6 pin harness camera harness

pin 8 - yellow ---> to be connected to reverse camera power (this is switched camera power as per standard android radio spec)
pin 6 - will have to have a wire attached + crimped into the pin slot so that the black + blue reverse trigger splice (this is the 2ndary backup reverse trigger input as per standard android spec)

as for the camera pwrGND, the pccm+ 955 diagram doesn't one there on the 6 pin camera harness ... so that leads me to believe the oem cayenne backup camera GND piggy backs one of the rear lights.

to keep all the camera connections in the front of the car, it may be possible to crimp another pwrGND cable into the video signal (pin10). or piggyback GND from the main pcm harness (thick brown wire).

for those who hate that idea of splicing into the oem harness - you can add a reliable ground ourselves via a bolt close to the fusebox. years ago i installed a switched DC outlet to charge my phone and learned via the dashCam install threads https://rennlist.com/forums/997-foru...l#post18409679 that there is a bolt close to the fuse box that makes a perfect GND connection ... i dont have time to find the thread but search dashCam install 997/987 and there will be instructions somewhere showing exactly which bolt to attach a ground cable to. it is very easy.

based on everything else above (switched power + an adequate ground for the camera) - if someone tests pin6 with a 12v+ confirming that it will flip the pccm+ into reverse camera mode .... then reverse camera for manual cars on the 997 pccm+ is solved.

one last thing - i saw a video on YT re going into the pccm+ bios where there is 'reverse camera on' setting. by default it should be on (on normal android radios this setting is called 'prohibit reverse')... but sometimes it's not on the right setting... it needs to be ON so that it is pin6 is actually AWAKE to receive a reverse trigger signal. i dont own a 997 pccm+, so im not sure if the autoConfig may adjust that setting or not, but keep that in mind as a final potential trouble shooting step.

Ive confirmed with @maxw via a voltmeter that pin6 does not output current - so that gives me more confidence that it is indeed the reverse trigger input as per 955 pccm pin chart. the 955 + 997 rear circuity should be identical as all the basic pcm tech, wiring, harnesses etc are shared.

Originally Posted by Alfnado

Has anyone with Bose confirmed if the ”fm converter box” bypass is necessary? It’s step 4 of the guide.

Originally Posted by lip-

Does pin 8 (camera power) have power all the time?

Originally Posted by milazzo_997tt

Never mind, I figured it out. There's a setting in the PCCM where you can configure "day time running lights." Seems the default setting is to have that selected which keeps your exterior lights on all the time. I deselected this and everything is working as it should.

Originally Posted by tangledweb

US market car. Have Bose. Tested unit before installing the FM controller bypass. Had no FM signal at all. Installed bypass. Have good FM reception. I'd say it's necessary in a US market car with Bose.

Originally Posted by tangledweb

I would not bet on it. I can't think of a dealer installed accessory from any brand even for new cars that involves running a new wiring harness the length of the car. If you were Porsche, would you want to warranty the parts and labor for an accessory that requires the installing dealer to pry up 20 bits of aged trim and clip them back in?

Aftermarket can do what it wants but dealer installed accessories generally plug into existing wiring, or they tell you it's not compatible with your vehicle. Of course normal brands don't usually put out new accessories for vehicles they manufactured 15 to 50 year ago so maybe normal rules don't apply.

Anything is possible, but once somebody puts up a solid how to I'll put an aftermarket camera in mine. I wouldn't hang around waiting for something that might happen one day.

Originally Posted by dlascoskie

So, in theory, if you could get your hands on a cayenne backup camera & wiring....

Originally Posted by myw

no need - it’s been figured out based on the 955 pin diagram

someone just needs to test pin6 with a 12v to flip the unit into reverse mode. It’s already been confirmed via multimeter that no current comes out of it. Pin8 HAS to be switched camera power based on the harness design.