My satnav is all wired up now, but when I came to fix the display screen I found that there was no suitable place on the small Dart windscreen!
Anywhere near the interior mirror blocked my vision and the far right corner looked suitable but the suction grip wouldn't stick to the curved glass. Anywhere near the steering wheel covered part of the display.
At present I've got it low down right behind and on the left side of the steering wheel, next to the mirror and "right "in my face" where I can see it just below the top rim and only the top of the display is covered. It only blocks my view of the bonnet as my view of the road is over the top of the steering wheel. I've discovered that it's more useful to have the full width visible than top to bottom.
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Satnav socket wiring
Re: Satnav socket wiring
Hi New Dexter, just one small point, when you stated that Pre-war cars were negative earth, well I can assure you that lots of them were like my Lanchester and fitted with a positive earth system.
Incidentally, I have added an auxiliary socket in my car which is wired negative earth, this is used for my on- board camera, and also using a double socket ,I can also have the Sat- Nav on at the same time.
Cheers A'l
Incidentally, I have added an auxiliary socket in my car which is wired negative earth, this is used for my on- board camera, and also using a double socket ,I can also have the Sat- Nav on at the same time.
Cheers A'l
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1949startinghandle
- Posts: 202
- Joined: Fri Jul 01, 2016 1:56 pm
Re: Satnav socket wiring
whatever the polarity of the car, any socket for auxiliaries must always be wired so that the centre terminal is POSITIVE and the side terminals are negative. This has nothing to do with the polarity of the car, but all accessories will be wired for the central connection to be positive.
Re: Satnav socket wiring
Hi, Keith, errr, I'm certain that I wired my Lanchester Auxiliary socket so that the central conn was wired neg and the Earth side was poss, both my Sat Nav and Dash Cam work OK wired this way . Well so-far anyway !!!
Cheers A'l
PS, I'm not sure that Geoff Douglas would agree with you either !!
With positive earth you will need to reverse the wiring connections at the socket of course, and I would shield the socket case itself with some sort of non-conductive housing to avoid accidental short circuits. This might be something as simple as wide insulating tape wrapped around the socket case.
On the other hand why not take this as the opportunity to "switch" to negative earth instead, it is so simple to do and makes a wide variety of other electrical issues a lot less complicated too. I doubt very much that a negative earth electrical system will devalue any of our car models significantly if original condition is the aim, it is so fundamentally unobtrusive.
Cheers
Geoff
Cheers A'l
PS, I'm not sure that Geoff Douglas would agree with you either !!
With positive earth you will need to reverse the wiring connections at the socket of course, and I would shield the socket case itself with some sort of non-conductive housing to avoid accidental short circuits. This might be something as simple as wide insulating tape wrapped around the socket case.
On the other hand why not take this as the opportunity to "switch" to negative earth instead, it is so simple to do and makes a wide variety of other electrical issues a lot less complicated too. I doubt very much that a negative earth electrical system will devalue any of our car models significantly if original condition is the aim, it is so fundamentally unobtrusive.
Cheers
Geoff