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TOPIC: gps issues

gps issues 17 Jun 2009 02:41 #1

  • katthater
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i have a garmin gps map 230, old unit but works on the bench...
cables are good. but when i hook up to my boat nothing?
how should i hook it up? red to 12 volt supply, black to ground?
why is it not working?

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gps issues 17 Jun 2009 02:44 #2

  • whiskywizard
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Sounds like the positive and negative supply you've found isn't live. have you checked that there is power there?

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gps issues 17 Jun 2009 04:20 #3

  • JohnQ
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Fuse onboard blown????

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Upper Left Hand Corner -- Freshwater Bay
1995 2002 W/A Trophy
MMSI Number: 338070644

gps issues 17 Jun 2009 11:07 #4

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no, i have 12 volts on the red wire input....
the ground is questionable...
how can i get a good ground and check?

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gps issues 17 Jun 2009 12:22 #5

  • lolar3288
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A dvm or volt meter between the two leads, red + and Black - or if you have a 12v light bulb you can use that.

Do you have an accessary switch that must be on or could this circuit run through the key............then of course there is the battery master switch.

BTW.....black is to negative.......ground is another thing and is green.

Larry

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Larry

gps issues 17 Jun 2009 13:04 #6

  • JohnL
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Does the unit light up on the boat or are you saying it does not pick up satelites or show position?

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gps issues 17 Jun 2009 14:34 #7

  • katthater
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not powering up,
will on a technicians work bench but can't get it on the boat....
tried various wiring ideas...
still no joy

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gps issues 17 Jun 2009 15:03 #8

  • ChancesAre
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Do you have 12v? Lots of electronics have a low voltage shut off, so a bad connection, corrosion, or the like will cause the unit to not see enough voltage, so it shuts down.

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gps issues 17 Jun 2009 17:56 #9

  • lolar3288
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To test the unit wire it temporary...direct to the battery terminals....If it works then it's where you are trying to hook it up.

Is it a combined unit or is the antenna (puck) separate?

Larry

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Larry

gps issues 18 Jun 2009 03:11 #10

  • katthater
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figured it out,
the wires in the connector are backwards.....
red is ground, black is positive.....
i was reading -12 vdc so unit was not working so i reveresded the supplies.

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gps issues 18 Jun 2009 12:04 #11

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katthater;311357 wrote: figured it out,
the wires in the connector are backwards.....
red is ground, black is positive.....
i was reading -12 vdc so unit was not working so i reveresded the supplies.


WoW....whoever made up that connector should be crushed under a truck load of wet noodles! Good thing you didn't damage the unit.

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Larry
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