[Guy]

I’ve been very happy with the Garmin 770 RV GPS. Yes, it’s not a good idea to use Waze when navigating a large motorhome as its algorithm is programmed to take you the fastest route based on current traffic conditions. It could easily route you down back roads or neighborhood streets in finding you the fastest route. So far, I’ve only had one route that was delivered by this unit that delivered a few pucker moments. But that route was passable with a Prevost, just a bit narrow and twisty when an alternate route would have been better.

My favorite feature of the 770 is the Elevation screen. When approaching a mountain area, a press of one button gives an inset image of the next 30 miles of terrain. This way you can see when an incline or drop is around the next bend and adjust your speed accordingly.

When you set it up you’ll be prompted to update the unit. Do not skip this step. It’s a good idea to update it every few months as Garmin does a pretty good job of keeping its maps current. The Garmin updates are free and that’s a good thing! But, hang onto the the Mini USB cable that came with the unit as, for some odd reason, the Garmin doesn’t like all USB cables.

Also, the screen resolution is excellent and easy to read.

[Guy]

Thanks for all the replies. What I don’t get is if it is a sensor problem, why will it run when it is started from the engine and at times run for 10 minutes. (it will always start from start switch on the generator). When I push the button inside the coach, the generator light illuminates and the preheat starts and then the light shuts off before it even attempts to start. Even when the generator is running from the engine mounted start switch, if I hit the on button inside the coach, the motor instantly shuts down. It seems if a sensor was bad, it would not start at all from either location?