The Official Garmin 62, 64 and 78 Thread

Discussion in 'GPS 101 - Which GPS For Me' started by Emmbeedee, Sep 7, 2010.

  1. GreatWhiteNorth

    GreatWhiteNorth Long timer

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    I had a weird issue with my GPSMAP64... was using it on my boat, and it defaulted back to the base map. Checking available maps in settings, the topo map I have loaded on the microSD card didn't show up! I checked the microSD card on my laptop PC, and the card works and the map file is still there. It's like the GPS unit couldn't see the card. I installed the topo map on internal memory, as that would really suck having that happen on a moto trip.

    Anyone else experience similar?
  2. 250senuf

    250senuf Long timer

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    It wasn't with a 64 but I had that happen. Cleaned the contacts on the chip and the GPS, all good again.
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  3. GreatWhiteNorth

    GreatWhiteNorth Long timer

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    Maybe that's all it was. I stuck the card back in the unit - now I show two Top maps enabled. I copied the City Navigator map from a Nuvi I have, transferred that to the microSD card... on start-up a pop up said can't unlock it. I was just curious if city streets and roads present different.
  4. Crotch Rocket

    Crotch Rocket "if you get off the couch, shit happens"

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    Where did you get that power cord?
  5. Crotch Rocket

    Crotch Rocket "if you get off the couch, shit happens"

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    I’m getting carpal tunnel searching for this answer.
    I have aGarmin 78c. I had it covered by 4 prong power to cigarette lighter style power. I’d like to hardwire it but I believe only 5 volts goes to the Garmin.
    Can anyone direct me to a cable that is SAE to the 4 pin that steps down the bolts from 12 to 5?
    Searched cycoactive and did not come up with anything.
    I want to use the round 4 pin because I understand it handles the vibes better.
    Thanks everyone.
    PS cigarettes style made a bad connection after awhile.
  6. Emmbeedee

    Emmbeedee Procrastinators

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    It was a connector made and available from PFranc, but the man has since died and as far as I know, nobody makes the socket anymore.
  7. Emmbeedee

    Emmbeedee Procrastinators

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    Garmin handheld gps units can generally take up to 32 volts in that round connector. The circuitry to control the voltage is built in to the gps. The usb connector is limited to usb voltages, so 5 volts only there.

    I have one cigarette lighter to the round plug left, from my days of having one of those models. I should sell it.
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  8. 250senuf

    250senuf Long timer

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    From the 76CSx manual, applies to the 78S.
    76001.jpg
  9. Crotch Rocket

    Crotch Rocket "if you get off the couch, shit happens"

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    That’s what I have. They are readily available but the non GPS end connector corrodes.
  10. Crotch Rocket

    Crotch Rocket "if you get off the couch, shit happens"

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    Ahhhh! Great! I can figure it out from here. I thought the voltage step down was in the male cigarette lighter end.
  11. Crotch Rocket

    Crotch Rocket "if you get off the couch, shit happens"

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    Excellent! Thanks a million!
  12. 250senuf

    250senuf Long timer

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    You're welcome.
    The owners manual for the 78S doesn't even have that "tidbit".
    Garmin manuals: Arrgh!
  13. Aleksandar_the_Great

    Aleksandar_the_Great Been here awhile

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    I am currently looking at purchasing either 78 or 64 vs 64s... I can't decide between the 3 options.
    What are the advantages of 78 vs the 64 series if there are some... Price is about the same.
    I am unable to locate mount for the 78.
    Can both units be charged on the bike?
    Cheers Aleks
  14. Emmbeedee

    Emmbeedee Procrastinators

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    If you want to charge either of those on a bike, they will eventually fail as mini usb just isn’t rugged or waterproof. You really should get a Montana if that is important to you.
  15. 250senuf

    250senuf Long timer

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  16. Aleksandar_the_Great

    Aleksandar_the_Great Been here awhile

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    Thank you for explaining the pin situation wasn't aware of that.

    The internet says the battery life should be around 20h for the devices which in theory is great, I would not want to have them charging all the time from the bike just in case of an emergency but I guess you can find spare batteries anywhere if you are not in the wild ( I am not planning to ride off-road )... Any real life experience with battery life would help.

    I prefer the looks of the 64 series and it should be a bit smaller to fit on top of my Dashboard on the T7 on the 12.0mm bar :D
  17. 250senuf

    250senuf Long timer

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    The batteries in the 78 do not get charged when the unit is hooked up to external power, they must be removed and put in a charger.
  18. Emmbeedee

    Emmbeedee Procrastinators

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    This is interesting. I didn’t realize any of the handheld units had charging capabilities, but I found this this morning.

    Adjustments.jpg
  19. Aleksandar_the_Great

    Aleksandar_the_Great Been here awhile

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    Pulled the trigger on a 64s, I will get it today and start playing with it and go out tomorrow on the bike and test it.
    Plan on getting osm maps but don't know much about how to set up the device.
    Any advice would help.
    Cheers Aleks
  20. motocopter

    motocopter Long timer

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    I use Basecamp and the 62stx to build tracks to follow while riding off payment. Nat Geo, 4x4, and Google maps are used for reference. GPX files from others are sometimes used and modified in Basecamp. It's nice having a pink line in the the display for a quick reference. Even if I explore off the route, I can get back to it. It's not perfect, but good enough. Still carry paper maps, but they are seldom used on the trail.
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