Question about Garmin nuvi 650 GPS Receiver

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To replace the fuse in my garmin 650 car charger, when reassembling which goes in first the spring or the fuse ? The cap came off and the spring and fuse fell out and I am not sure how to reassemble it.

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Garmin 650 not allow to type password and open. What to do ?

Posted on Sep 12, 2011

  • Vasamuel03 Sep 12, 2011

    Please tell me how can un lock my garmin650, it wont allow me to punch the password


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As long as it works correctly when assembled it doesn't matter, the spring is part of the circuit and as long a the fuse and spring have contact with the tip and internal connection the circuit will function properly without any risk of damage to the device. Most times the spring goes in first though.

Posted on Mar 13, 2011

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Took out cable connection charger, that attaches to Garmin NUVI, from cigarette lighter in car and the inside springs broke

that's how you can change the fuse.the piece at bottom of picture goes into the threaded piece 1st.

The piece at bottom of picture goes into the threaded piece. The spring goes into the body of the charger then the fuse and then the
threaded piece with the small piece still inside of it is screwed on.
Should work.

Oct 28, 2012 | GPS

1 Answer

Not charging

Fuse may be blownUnscrew the silver cap at the top of the charger(watch out as the top button may jump out) Remove spring and fuse. check to see if the fuse has blown. If so replace with new followed by spring, button and cap

Jan 17, 2011 | Cellet Professional Retractable Car...

1 Answer

I've had two Garmin Nuvi 255 and have had problems with the car charger after a short period with both. I cannot charge my garmin while in a vehicle. Is this a common problem?.

you probably have a blown fuse in the charger plug..... Unscrew the silver tip end of plug CAREFULLY its spring loaded check fuse and replace with 3A fuse

Nov 22, 2010 | Garmin nuvi 255W GPS Receiver

2 Answers

Car charger not charging internal battery ..gtm 20 cord ...nuvi 755

There is a fuse in the car charger adapter silver tip.... Unscrew it CAEFULLY its spring loaded and check fuse

Nov 06, 2010 | Garmin nuvi 755T Car GPS Receiver

1 Answer

My garmin goes at usb mode when i put the car charger on can i fix it

the car charger plug has a fuse in it check the fuse

To do that ...Unscrew the silver tip of plug.... be careful its spring loaded

check the 3A fuse

Oct 25, 2010 | Garmin nuvi 260W GPS Receiver

1 Answer

The tip of the vehicle power cable worked itself loose and came off, I think I have all of the parts, but am unsure of how it is assembled.

Order of installation:

1. Insert the spring into the open end of the charger.
2. Then insert the glass fuse.
3. Then place the metal contact tip over the fuse.
4. Screw the black plastic threaded end on last.

- Jim

Mar 30, 2010 | Garmin nuvi 650 GPS Receiver

1 Answer

Street pilot 330 will not turn on when plugged into car power supply. Poosible battery charge needed?

Does the car charger cord have a fuse in it at the point where it plugs
into the lighter port, a lot of car chargers have a fuse, I can't tell
if your end, the part that goes inside the lighter port has a cap that you unscrew to replace the fuse, and garmin does not show it.

If the car is running, and it does not work, there is something wrong with the car adapter, or the unit at the plug, the battery should not have anything to do with it.

If the battery starts the car the battery is fine.

Feb 07, 2010 | Garmin StreetPilot C330 GPS Receiver

3 Answers


un screw the the tip of your charger that fits into the cigarette lighter, it is inside, be careful not to lose the spring, but if you do, a spring from a pen will work, i dont think you can buy one from garmin

Oct 30, 2009 | Garmin GTM 12 FM TMC Traffic Receiver...

1 Answer

Garmin Nuvi 650 powers off when connected with car

I had this problem. The problem turned out to be my car charger. Hooking the GPS up to my computer allowed it to charge and operate normally. A new car adapter might fix you right up.

Jul 06, 2009 | Garmin nuvi 650 GPS Receiver

1 Answer

I can't chrage garmin c550 using carg charger gtm20. But I can charge using usb connected to computer. I had to replace fuse and I may be missing a part in gtm20 assembly. Is there a spring? How does

There is a fuse in the cigarette lighter end on the power cable, twist off the end of the adapter to expose a cap, fuse and spring.

Hope this is of some help.

Apr 20, 2009 | Garmin StreetPilot c550 GPS Receiver

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