You can use really any Garmin because most have mounting options for trucks. My personal favorite for a truck is the Garmin Nuvi 350. It is affordable and comes with maps already loaded on it.
The Garmin Nuvi 205 is an older GPS model, and while Garmin used to provide updates for their devices, support for older models may be limited. You can check the Garmin website or use the Garmin Express application to see if updates are available for your specific model. However, it's important to note that newer maps and features may not be supported on older devices like the Nuvi 205.
The difference between the Garmin Rino 520HCx and 530HCx products is that the Rino 530HCx comes with a few extra features. The 530 series includes a seven-channel weather receiver, an electronic compass and barometric altimeter, while the HCx series include MicroSD card support and a different signal-receiver chip, more accurate.
The oldest GPS units don't have the capability to make use of the latest Garmin software.Some of it's designed to work on laptops with gps units.
The differences is the the garmin 340 is upgraded. I wouldn't recommend either because you could get the garmin 350 for thirty dollars more and it's extremley more accurate. Most people upgrade to the 350 so you're better of getting right away check this site out it gives you more details http://squidoo.com/garminnuvi350personaltravelassistant
Garmin Wrist GPS come in one size fits all, so I would venture to guess a tween or older would fit comfortably in one.
1974 and older for most vehicles. 25 years old or older if registered as antique.
Ford / Lincoln / Mercury vehicles and some older Nissans.
All vehicles after 3 years from purchase
Most likely it is a loose fan belt (commonly used on older vehicles, prior to the newer serpentine style belt). The fan belt can be tightened by loosening the alternator mounting bolts and adjusting the alternator tension on the belt.
Right now Garmin is selling the Forerunner for $200. The original retail cost for this unit is $250. Best Buy sells cheaper versions running at $100. If you purchase an older model then it will be cheaper.
Older vehicles had copper and steel radiators, newer vehicles are made of aluminum and plastic.
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