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Sat Nav in a Special Sport

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terryfrombury
Posts: 154
Joined: Fri Feb 12, 2016 10:25 pm
Location: Cheshire, UK

Sat Nav in a Special Sport

Post by terryfrombury »

Evening all.
I`m actually planning to get the SS out on the road a lot this year (especially if we have something that could truly be called a "Summer"!!!!), and I was wondering about fitting a Sat Nav. Before anyone starts on the caustic comments I have to say in my own defence that "she who must be obeyed" hates navigating, so the Sat Nav is one way of avoiding potential domestic conflict.
However, I`m sure that all Sat Navs are negative earth, and would be frazzled if connected positive earth. Consequently I wanted to beg advice from those of you who know more about vehicle electrics than I do - in other words, all of you!!! I was thinking of connecting a lighter socket directly from the battery (with an inline fuse) but wiring it so that the negative and positives go to the socket terminals that give the Sat Nav a negative earth. The question is - would that work?
Many thanks in advance for your thoughts.
Terry

Petelang
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Re: Sat Nav in a Special Sport

Post by Petelang »

Providing your socket is completely insulated clear of the metalwork of the car and properly fused, yes this would work. Connect the positive earth wire to the centre pin and a wire from fused negative to the casing. It would need to be enclosed in a wooden panel probably, sure you would be against "plastic" in an SS.
Peter
Peter Langridge
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John-B
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Re: Sat Nav in a Special Sport

Post by John-B »

I did the same. I took a separate connection directly from the battery but I fused both positive and negative just to be safe!

I also wrapped the socket in a lot of tape so. that only the very end of the socket is exposed.

Crossley Stephenson
Posts: 255
Joined: Wed Feb 10, 2016 9:15 pm
Location: Victoria, Australia

Re: Sat Nav in a Special Sport

Post by Crossley Stephenson »

Why not convert to -Ve earth?

I have done this in my SS. The next owner can convert back if required.

Cheers
Michael

terryfrombury
Posts: 154
Joined: Fri Feb 12, 2016 10:25 pm
Location: Cheshire, UK

Re: Sat Nav in a Special Sport

Post by terryfrombury »

Thanks for the suggestion about changing polarity, Michael, but I`ve got positive earth electronic ignition system and solid state voltage regulator.
Thanks to Peter and John for confirming that my suggestion was workable. I've been fortunate in finding on Amazon a socket that is fully insulated apart from the visible rim of the internal sleeve, but with a cap to cover that when it`s not in use. It also comes with a fuse on the power feed. I`ll give it a go!!
I`m grateful as ever for the helpful response this forum generates.
Terry

Db n j
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Re: Sat Nav in a Special Sport

Post by Db n j »

Terry,

The dash is wood, ie non-conductive, you can switch the earth just for the dashboard lighter.

When the Duke was rewired, this was done specifically to accommodate a satnav. A low value in line fuse was added for safety.

Not had much chance to try it on the road yet 😟

JT7196
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Re: Sat Nav in a Special Sport

Post by JT7196 »

Hi Terry, yes I have fitted an auxiliary negative earth socket like yours in my Lanchester, for my Dash Cam, and of course my Sat Nav , also very useful for charging up my I-Phone or I-pad as well ! !

Cheers A’l :D

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