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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17359   
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Reversing light switch on gearbox.
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5th Nov 2024 8:05pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5682 
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That’s what I thought
Was hoping there to be something inside, or even bulkhead. |
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5th Nov 2024 8:59pm |
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| 4RF RDS Member Since: 19 Jul 2015 Location: Ottawa Posts: 930  
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You can also tap into the reverse light at the back. I used the continuous power back there and the reverse light as the trigger.
Good luck 2010 Range Rover MkIII Autobiography Super Charged (Idris) 2003 Range Rover Mk III (Desmond FitzWilliam) 2000 Defender 110 CSW TD5 (CTX) 1992 Range Rover Classic (Lizzy) 1972 Series III 300 Tdi (Stanwood) 1967 MGB GT Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats. H. L. Mencken (1880 - 1956) |
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6th Nov 2024 1:21pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20314
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As above you can take it from the rear. (If you want to & prevents damaging factory wiring).
If you’d like to have a plug and play option, you may wish to contact PaulMC on here to help with that. He is a great guy to deal with, and very knowledgable. 
You can run the cable behind the headlining and down A pillar with 1mm2 thinwall. ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ |
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6th Nov 2024 1:35pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5682
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Mmmm. So a switch then.
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6th Nov 2024 7:44pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20314
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You can if you want, I have mine on all the time that the HU is on, and will auto pop up on screen if the reverse is selected.
That way you can select the camera any time as it’s on anyway, but will still come on screen when reverse is selected. ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ |
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6th Nov 2024 7:54pm |
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| DSC-off Member Since: 16 Oct 2014 Location: North East Posts: 1400 
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Or just plug this into the reverse light to supply the camera and extend it forward to the headunit.
 Click image to enlarge https://www.mudstuff.co.uk/collections/wir...iring-loom |
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6th Nov 2024 9:41pm |
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| Penfold_6290 Member Since: 22 Sep 2021 Location: Dorset Posts: 316 
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Here's what I did on my Defender -
The camera will have two harnesses - the power and earth for the camera on 2 thin red and black wires and the AV output from the camera to the radio. When you run the harness from the camera location to the radio, connect the red power cable to an appropriate 12volt supply, I used the blue 'power antenna' output from the radio. This provides the camera with 12volts when the radio is switched on. At the radio end I connected the black wire of the camera harness to the reverse signal wire on the radio, on a Kenwood this is a purple and white wire. At the camera end of the camera harness leave the red wire as it is, cut the black wire and connect the camera end of the black wire to the vehicle body to create an earth. Connect the radio side of the black wire to the reversing light positive supply at the reversing light. This way your unit will sense the reverse light via the black wire into the purple/white wire, but on some units you can also run the reversing camera on the screen all the time so by powering it from the radio's blue 'power antenna' wire the camera always has power. I like to do this on mine when I'm towing for example. A hastily prepared hand written wiring diagram is below! Click image to enlarge |
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8th Nov 2024 9:58am |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5682
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Thanks all for your replies. Some alternatives there, which is great.
Great post by Penfold_6290 which is a brilliant variation from the standard. Thanks for taking the time to post. One day I will get to playing with the new bits Where have you guys placed your cameras? |
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8th Nov 2024 10:26am |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20314
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There are lots of options, just bear in mind that the HU rmt12v output, usually has an output that maxes out at about 150mA. (Should be fused as such too).
Reverse Cams have a low draw usually, but the above output feed is a signal sense and not load bearing except for small current. You may need it for an Amplifier also, or run it to a smaller 4 pin relay where it only powers the coil. That way then you have a switched load capability that doesn’t have a load top end that is anything to worry about. It all depends on what you would like to do with it, and how you’d like it to operate then you can set it up diagram wise as an example as Penfold posted. Just bear in mind the load of that feed, hence me posting this as you don’t want to fry your HU circuits. 150mA FB glass 5mm fuse and holder is ideal for it, if you use the RCA outputs rather than the speaker outputs that is a cleaner signal too and reduces HU heat, but that does mean a more comprehensive install.  ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️ |
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8th Nov 2024 10:36am |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5682
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I’m running a Focal ISUB Active sub, which is also the amp for my front Focal ES100KE speakers. The rear is currently Focal 100AC (I think) which are getting absolutely trashed, as mine is a work vehicle. I am thinking of swapping these out potentially or/and amping them as I don’t think they are matching the front which is amplified. Not sure currently.
I have now bought a DD fascia, Mudstuff, a Kenwood DMX7722DABS head unit, and a Kenwood CMOS-230 Camera. Plan to connect to the Nak aerial which I believe is also DAB, but need to find the “bits” that make DAB as I’ve never needed them before. |
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8th Nov 2024 10:58am |
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| Penfold_6290 Member Since: 22 Sep 2021 Location: Dorset Posts: 316
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A good point about current draw, check the spec of your camera. I have the Kenwood CMOS-230 camera which has a maximum current draw of 0.06Amp so well below the stated max draw from the power antenna circuit of 150mA. I mounted my camera next to the rear washer jet which in hindsight is not ideal, but I have got good at remembering to wipe it with my thumb after I've loaded the dog in the back. |
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8th Nov 2024 12:21pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5682
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Mine is the same camera
I’m not sure there is an ideal location for the camera that I can work out. They will always get dirty, and you are trying to see past a bloody big spare wheel. On my motorhome I fitted twin camera setup. One is rear view mirror style, and other is reverse camera. Works well, but headunit is twin input, back of van is clear and flat, so a very different setup. It is completely bloody useless at night though as it is infrared which is crap a a vehicle camera. |
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8th Nov 2024 12:36pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5682
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Well. Had a go at getting install done but run into a couple of issues straight away.
The Mudstuff usb c socket I got has an on/off switch on it, which I knew but hadn’t considered that every time I switch the ignition off, I would then have to switch on the socket every time after turning the ignition back on. No use to me. The other issue is that the Nak DAB aerial has a different connector to the Kenwood head unit. Nak screw, headunit push fit. |
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11th Nov 2024 11:45am |
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