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Garmin 1042xsv battery voltage problem

Old 05-19-2020, 07:12 AM
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Default Garmin 1042xsv battery voltage problem

I have a year old garmin 1042xsv that when powered on by itself reads battery voltages in the 11-12 range. Always used to read a steady 12.6-12.8 since installing it. Have a 2nd garmin 840 unit on same batteries that is steady 12.6-12.8 volts when powered on by itself, with both powered on the voltage drops it to around 11 volts and voltage jumps up and down. Something going on with the 1042 drawing way too much. Anyone have issues like this with a garmin before?
Old 05-19-2020, 07:26 AM
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I suppose "anything is possible" but it doesn't seem likely
that the 1042 is otherwise operating normally,
but drawing an unusually high amount of current.

I would be looking critically at all the wiring & connections,
power and ground, to those units,
including, if they are present, those in-line fuseholders.
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Old 05-19-2020, 07:35 AM
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9 times out of 10 in cases like this its a power supply issue, not the unit itself.
Old 05-19-2020, 07:41 AM
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You have a wiring issue/power , get out your voltmeter and trace back to find the voltage drop and issue. If the 1040xsv was drawing that amount of power to drop the voltage the fuse would blow on the 1040xsv.

Did you add any new gear or make some wiring changes lately? Have you checked your house battery to insure it is not a battery issue ?

Jim
Old 09-08-2020, 05:35 PM
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Default Similar Problem

I have two Garmin 1042xsv units that are a month old. Everything has worked great until today. I left my dock this morning and all was fine. When I entered the main channel, just before I started to go on plane, the units turned off. I attempted to power them back up and when I pushed the power button I heard the audible “beep” like it does when you try to enter something erroneously. So, I first thought it was “asleep”. I held the power button down, both units powered up, then both units shut down after 1 minute. I tried everything I knew for the next 4 hours with no improvement.
Old 09-09-2020, 08:09 AM
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Default Follow Up & Resolved

Originally Posted by rseate View Post
I have two Garmin 1042xsv units that are a month old. Everything has worked great until today. I left my dock this morning and all was fine. When I entered the main channel, just before I started to go on plane, the units turned off. I attempted to power them back up and when I pushed the power button I heard the audible “beep” like it does when you try to enter something erroneously. So, I first thought it was “asleep”. I held the power button down, both units powered up, then both units shut down after 1 minute. I tried everything I knew for the next 4 hours with no improvement.
For some unknown reason my units were going to “sleep”. I called Garmin, they instructed me to push the power button 3 times quickly. To my excited surprise, the units came in and are functioning properly.
Old 09-09-2020, 05:10 PM
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I have two 1042xvs side by side almost, and they always read different voltage, as much as ,5 volts. both wired to breaker panel and never what my engine panel says.

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