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Author Topic: ODBII power adaptor  (Read 6985 times)

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Re: ODBII power adaptor
« Reply #15 on: 23 May 2021, 19:28:13 »

I used an inline cigarette lighter socket and then hardwired it to the back of the stereo. As long as you are careful, you can pick up a switched live pretty much anywhere. I'm not 100% on the output of the obd port having enough current.

The ODB socket has plenty of power to drive a dashcam.

Just mulling over options, at the minute.
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Re: ODBII power adaptor
« Reply #16 on: 24 May 2021, 07:45:08 »

I'd meter out the courtesy light feed as a starting point.  :y
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Re: ODBII power adaptor
« Reply #17 on: 24 May 2021, 08:05:48 »

I'd meter out the courtesy light feed as a starting point.  :y

I'm not confident enough to go down that route I'm afraid :'(
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Re: ODBII power adaptor
« Reply #18 on: 24 May 2021, 10:14:47 »

Remove rear view mirror, find  a 12v ign controlled wire, join into that,, normally it's in the sunroof lead

Don't use interior lights they are earth switches. Only supplies when door is open
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Re: ODBII power adaptor
« Reply #19 on: 24 May 2021, 11:54:26 »

Remove rear view mirror, find  a 12v ign controlled wire, join into that,, normally it's in the sunroof lead

Don't use interior lights they are earth switches. Only supplies when door is open

I haven't got a sun roof.
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Re: ODBII power adaptor
« Reply #20 on: 24 May 2021, 12:31:33 »

Got an angle grinder ?  :D
Its difficult to help some people.  ;D ;D
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Re: ODBII power adaptor
« Reply #21 on: 24 May 2021, 12:36:00 »

You may not have the sunroof, but that doesn't mean the loom isn't there. Might just need a fuse or bridged relay connection to activate.
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Re: ODBII power adaptor
« Reply #22 on: 24 May 2021, 12:44:59 »

You may not have the sunroof, but that doesn't mean the loom isn't there. Might just need a fuse or bridged relay connection to activate.

I'd agree with this, it's how I fitted the one in mine.
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Re: ODBII power adaptor
« Reply #23 on: 24 May 2021, 14:06:34 »

Even plod Omegas had sunroof wiring. Which was really handy for fitting a taxi meter up there.

A sharp tap from one of these Trim tool will remove the trim. Everything else is torx screws.

An easy weekend's work start to finish. Especially on a new car where everything is nice and clean :y

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Re: ODBII power adaptor
« Reply #24 on: 24 May 2021, 14:15:17 »

Even plod Omegas had sunroof wiring. Which was really handy for fitting a taxi meter up there.

A sharp tap from one of these Trim tool will remove the trim. Everything else is torx screws.

An easy weekend's work start to finish. Especially on a new car where everything is nice and clean :y


Fitting a dashcam using existing wiring is an easy hour's work
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Re: ODBII power adaptor
« Reply #25 on: 24 May 2021, 14:54:16 »

There's that, but it is worth taking a bit of time to get it right and nice ;)
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Re: ODBII power adaptor
« Reply #26 on: 24 May 2021, 15:15:05 »

There's that, but it is worth taking a bit of time to get it right and nice ;)

All you can see on mine is about two inches of cable as it enters the dash cam from the headlining, hidden from my view by the rear view mirror, and hidden by the dark screen band from outside.
By contrast, when I drive my sister-in-laws Mercedes, her dash cam cable runs from the 12V dash socket, up past (and in the way of) the heater controls and radio and over the dash to the low down screen suction fixing (it's a convertible so she can't make use of the headlining). Combine this with her phone charger cable (older Merc so no wireless charging) and my hand gets tangled up in the cables when selecting a gear. It looks a pigging mess like that.  ::)  She's waiting for me to tidy it up apparently.  :)
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Re: ODBII power adaptor
« Reply #27 on: 24 May 2021, 16:48:10 »


All you can see on mine is about two inches of cable as it enters the dash cam from the headlining, hidden from my view by the rear view mirror, and hidden by the dark screen band from outside.



By contrast, when I drive my sister-in-laws Mercedes, her dash cam cable runs from the 12V dash socket, up past (and in the way of) the heater controls and radio and over the dash to the low down screen suction fixing (it's a convertible so she can't make use of the headlining). Combine this with her phone charger cable (older Merc so no wireless charging) and my hand gets tangled up in the cables when selecting a gear. It looks a pigging mess like that.  ::)  She's waiting for me to tidy it up apparently.  :)


Mine was the same; the camera and wiring were only visible if you looked for them.


I hate seeing charger cables and wiring all over the place so it's worth spending an hour tidying it all so you can't see any of them
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Re: ODBII power adaptor
« Reply #28 on: 24 May 2021, 18:35:28 »

I have a camera in my MX-5 convertible, you can see about 1.5inch of cable, the rest is behind the trim. The camera is so small (no screen) that you have to look hard to notice it. It's about an inch diameter and round and about 3-4 inches wide.
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Re: ODBII power adaptor
« Reply #29 on: 24 May 2021, 21:03:07 »

I have to fit one in the Ftype at some point, that will be from a nominated courtesy light supply
« Last Edit: 25 May 2021, 07:38:55 by Marks DTM Calib »
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