Question about Garmin Color Fishfinder 160c

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No display on garmin fishfinder 160C why

Display will not come on. Theres power to the unit. The buttons illuminate when impress the power button but go off when I release. No light appears on the screen

Posted by Anonymous on

6 Suggested Answers

  • 2 Answers

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Posted on Jan 02, 2017

  • 285 Answers

SOURCE: To wireup 160c Garmin fishfinder, there are seven

You only need the red and black wires to supply power to the unit. The red positive wire goes to a positive terminal on your battery or positive side of a bus bar or switch, the black negative wire goes to the negative terminal on the battery or negative common bus bar. Do not try to earth the black wire to an aluminum boat hull... You are asking for trouble! Best to run the black wire straight back to the negative battery terminal or negative bus bar that is wired to the negative battery terminal. The other colored wires on the 160C plug are used for interfacing with NMEA2000 compatible devices, like a compatible GPS.

Posted on Jun 15, 2009

  • 501 Answers

SOURCE: Is Garmin Fishfinder 90 working?

possibly.most ive owned will flash random numbers when out of the water.the fact its flashing or reading numbers at all,means its working.youll have put it in water to see how accurate,obviously

Posted on Jul 08, 2010

  • 15 Answers

SOURCE: GARMIN 60CX Contour Map display: Sent maps to

The topo maps are low in the map hierarchy. If another mapset is loaded at the same time and is also checked it will likely "cover" topo. I think the Recreation maps are the only one's lower in the hierarchy.

Posted on Jul 21, 2010

  • 257 Answers

SOURCE: the boat has been idle

Hello Alexpreerado,

I understand that you are having a problem with your Garmin fishfinder 300C. When in the water the unit is not turning on, however when out of the water the unit will turn on. I want to see if the unit will work in simulation mode.

To do this you will need to follow these directions:
When powered on select CONFIGURE, SYSTEM, SIMULATOR, ON.

If the simulator works then you know that the unit is working. Then go back thru the same way and turn the simulator back off,

Your unit is equipped with a self diagnostic unit that if there is a problem it should power and give you a fault reading. If the unit is not powering on while in the water you are loosing power to the unit. Put the boat back in the water and check the voltage going in to the unit. You may find that you have a short while the boat is in the water.

Post back with what you find from the above possible solution to the problem. And I will give you some more possible problems and solution to your problem.

Thank you for choosing


Posted on May 27, 2011

  • 910 Answers

SOURCE: Recently borrowed garmin 90

I think the water you're working is a little shallow and that's why you're not getting the response you'd expect.

You can have the Depth Range as Auto which automatically tracks the bottom or set if anywhere between 5 and 600 feet.

You can also set the Scroll Speed as Ultra, Fast, Medium, Slow & Paused so it depends what the owner has it set to as to how quickly it will respond to movement.

Posted on Jun 10, 2011

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