Humminbird GPS Question

[rpwillia]

I did something dumb last night. I got in my bracket for my Humminbird gps antenna and was trying to figure out how I would thread it through the bracket. Long story short I disconnected the wire from the tiny circuit board thinking it was a single connector (it was two) and now am not sure which side goes to which. There is no documentation in the Humminbird book or the site (I guess they don't normall expect folks to take things apart). Can someone tell me which connector goes on which side - thankfully the wires are all different colors. Thanks Ray

 

[paulj]

Ray
Bite the bullet and temporary attach wires.......if it doesn't work then switch wires.
How about a picture.


paulj :troll:

 

[rpwillia]

Pictures

Paul, Here is the quandry. The red wire has +12v on it according to the install instructions and they state not to hook it up to an nmea receiver unless it calls for +12v or it could fry the unit. Right now I have green, white, black, red but and not sure if it should be black, red, green, white. The connectors only go on one way but there are 2 of them. My odds of getting it right are 50-50.

 

[paulj]

Look on the PC board some times the tracers are coded with letters or numbers and you may figure it out.

good luck


paulj :troll:

 

[paulj]

Well...............Ray.............



paulj :troll:

 

[rpwillia]

Here is the resolution.

I still have to test it, but I got the wiring details from Hermit Scott as he bought the same unit I have. The sequence is green and white, then red and black. I had it right. I am hoping to install it this weekend in addition to the autopilot. I got press-ganged into helping move a boat from Deltaville to Quantico (100 nm). It was a great trip, but meant I had to wait for another weekend. As soon as I get it all done I will have pictures. Ray

 

[rpwillia]

Ahhh, It's working!

Paul, et al, Got a good few hours in this weekend on my boat installing both the Humminbird 785C2 Chartplotter and the Raymarine S1 Autopilot. The chartplotter is done and the autopilot has most of the wires run.

One annoying thing with the Humminbird was on start up it displays a "No GPS" message. I suspect the unit checks for GPS data too early when the GPS is still initializing. A delay of 15-30 seconds would solve that as once the unit is finished start up the GPS is cranking data over to the unit and appears to update very fast. Also it looks like I may need a Navionics card as there is no depth, tide and only minimal buoy (all I saw were the lighted ones south of Maryland Point) data. That is really lame.

I have attached pictures of the chartplotter installation. I used a Lilly 104B Stainless Steel Rail mount and an old piece of aluminum beam and screwed the chartplotter onto it using holes I drilled and tapped for 8-32's. Lilly was pretty cool as they have apparently sent me a 1" 13tpi stainless jam nut that I may use. For now I have a 5/16 2" bolt holding the plate to the mount. To remove I simply tilt id down and it comes out plotter comes out. I am thinking of moving my old Garmin GPSMap 176 underneath.

Paul, Like you I had about 2" of silicon in the bottom of my tubes. I simply jammed a marlin spike into it and wedged it out.

For my Autopilot install, that went very well, although I am not done yet. I did use the trick someone suggested and ran the drive motor wire into the engine control box and then joined it up with all the other wires. For snaking the wires the best thing I used was a piece of round 14-2 house wire to feed it up and get a pull wire. Then it was just a matter of pulling all the wires through. I did have to cut the Sea Talk cable as the connector was just too big to pull through. I am planning on mounting the computer under my nav station as the drive motor looks like it will just reach and that will help with getting all the other wires to reach.

 

[rpwillia]

Here is the picture

NT

 

[Hermit Scott]

I also used a piece of aluminum and tapped it for the 8-32. I like the rail clamp you used mine is a plastic one until I figure out something better. I was seriously disappointed with the no depth contour situation, and no tide info.
Now the question is do we buy the navionics gold or the silver. The silver cover more area on one card but it's scale is 1/2 nm and the gold is 1/8 nm. I have no idea what that means. The gold has some other features that will probably make me buy it instead like offshore fishing spots.
BTW great job on the install, that is exactly where I wanted to mount mine, but that gaurd rail is lower on mine and it won't fit.

 

[paulj]

Ray

Looking pretty good:dance::dance::dance:

paulj :troll:

 

[rpwillia]

Navionics Cards

... Now the question is do we buy the navionics gold or the silver. The silver cover more area on one card but it's scale is 1/2 nm and the gold is 1/8 nm. ...

Hermit, I am looking at the cards too. If you come across a great deal let me know. I have some concerns about the gold cards as some soundings are interpolated and only as good as the charts. The silver are, I suspect, pretty much what was supplied with the unit. I also had some confusion between I need the East Coast or the Inland Lakes and Rivers ($144 and $124 respectively) and have sent Navionics a question on that. It kind of aggravates me to have to buy "one more thing", but that is the nature of the beast.