ISO plug/play, self-contained, GPS speedo
 

I (believe I) would like to replace my analog dash mounted speedometer with a modern GPS dial speedometer. I'd ideally like it to be a self contained kit such that I just stick it in the dash, hook up some power and it's off and running. 0-100 mph should do it.
Anyone have a good vendor? Part #? First hand experiance with doing this (positives and negatives)?
Thanks,
Tom

No responses, am I off base is this not doable?

Faria Chesapeake model SGP010 (80 mph model), in white or black (60 and 80 mph - had a 120, but doesn't look like it's still available). May have to call to see if 120 is available. Drop in and go, receiver is internal. Has a analog style sweep arm. Gives course over ground and actual heading (compass over ground).

2 great answers. I think that if the Auto meter comes with its own antenna that's close enough to self contained if either of you could send me links to exactly what you're talkin about that would be cool

Here's the 80 mph speedo. This link is just for the pic and info. You can probably find one cheaper if you look hard enough
https://www.boatersland.com/far-33829.html

Those Autometer speedos are pretty nice looking also.

My boat came with a Lowrance Elite 4. I do not know its capabilities yet...any idea if this has the capability/output to run the Livorsi 80 MPH GPS?
It looks like that is a $300+ piece.

Thanks, I like the livorsi I did not realize how high in quality they must be :-) we are on Perdido Key trying to finalize the new Boathouse and lift so I can bring my baby down

I like Livorsi, but I think there are some better alternatives; I've always been a big fan of Autometer. Livorsi and Gaffrig can be a bit pricey for what you can get with Autometer, and in most cases they appear to be the same pieces (or close to).

I have been using Auto Meter for car gauges and have never been disappointed. Thanks for the information

So, are our speedometers: 4" - Hole size: 3.375" (85mm)

Okay, I was an engineer (mechanical) and I should know electrical (as I had to take it twice)...
I have a pdf of the operations manual but it does not show plugs/schematic.
I guess I will just buy a speedometer I want and figure out how to attach it...once I see the connections.
Thanks Tom,
Tom
Ps-immediately after I wrote the above, I found Elite 4 installation instructions and it all makes a lot more sense now.

Is there a page/menu on your Elite 5 that give a GPS speed readout on the screen?

If you have a GPS, IMO, you don't need a GPS speedometer as you have speed readouts on the GPS. Leave the gauge you have or better yet take it out and replace it with a gauge you don't have such as water pressure or oil temperature.

Padraig

Point taken...Thanks!

The Livorsi GPS speedo had $2 coin battery soldered into the external hockey-puck type antenna. They wanted $75 (+shipping?) to install a new battery every couple years. Instead, I took a piece of wire and went from my GPS data output, to the gauge data input. Depending on your marine VHF radio model, you can also use the same GPS data feed to send location data to your radio as well.

Very cool...how did you attached the wire (solder, clip, or some sort of plug)?

The connection will be exposed to all sorts of extreme temps and weather conditions. It really depends on what you're most comfortable with and how much work you want to do. You don't want water or moisture getting into the splice. The data wires from both devices were very thin so you could use a little dab of di-electric grease on each exposed wire to prevent corrosion before crimping. Use a piece of heat shrink tubing around the connection.

There are really nice weather resistant connectors available like weather pack, molex and others. The advantage to a weather resistant connector is you can take unplug later without having to cut wires.

Thanks I'll look for it.

Cool!
Did you se the phone message?

Turns out my speedometer face is 4" in diameter and overall 4.5"...what size do I need? The 85mm was too small :-(https://cimg0.ibsrv.net/gimg/www.off...7c8f60e30f.jpg

How does this mount in the 3 13/16 mounting hole in the mounting plate on the dash (1988 F311)? The description says "Gauge size: 4" (3 3/8)" but I already tried an 85-87 mm gauge (which my math said would be right at 3 3/8") and it was too small for the opening.
Additionally, did it come with an antenna/speed sensor?
Thanks!

That part # description says 5"...see above post (about the size opening I have), does this fit without modifications?
Thanks!

Please forgive me...I have been focused on the trim plate and not on the actual hole in the dash. As you can see in the attached picture, the 3 3/8" (85mm) gauge fits the hole (but not the trim plate. Therefore, for very little money I can have a GPS speedometer...until I decide that I want to pay 5x more for a bigger one, or switch out the tachs (or all the gauges).
Thanks for putting up with me!
Tomhttps://cimg9.ibsrv.net/gimg/www.off...14759eba47.jpg

I am very pleased with the results (added some trim and the original square fascia). I'm still going to probably refine the "filler" (to fill the gap)...but its fine for right now, and the GPS picked up satellites well!https://cimg2.ibsrv.net/gimg/www.off...f0d795dcd8.jpg

Km/h ???

I ordered 80 mph and just assumed it was miles over kilometers but I guess I misread it. Oh well, re-ordering! :-(
Thank you...I probably would not have noticed and probably would have thought I had a 100 mph boat when I buried the speedometer at 2/3 throttle.

Thanks again...resolved (see attached).
I also changed the trim for a more finished look.https://cimg1.ibsrv.net/gimg/www.off...e6deecce0d.jpg