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GPS blowing fuses

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If your talking about an in-line fuse on the 12V power wire going to the unit than that's probably the power to the unit blowing the fuse and not the Garmin unit blowing the fuse. Check the entire length of the 12V power wire, if possible, for any chafing causing a short. 

If not give them a call, they have great customer service at Garmin with actual humans answering the phone, it's weird. 

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To my knowledge those fuses are designed to trip when they get hot or since a direct short. Like Jason says, check the entire length of both wires. Additionally, make sure your connections are good. Poor connections cause heat buildup.

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take out the inline fuses and go directly to the BUS.....Hobo used to recommend this and I do the same....you have a direct, secure connection with a good firm connection on the bus.

 

dc

 

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If you do the above, be sure the GPS is on its own dedicated circuit, with its own fuse. Stick with the fuse size that is recommended. Check all connection, including the connector to the unit, look for corrosion or wire issues. 

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1 hour ago, hurricane said:

If you do the above, be sure the GPS is on its own dedicated circuit, with its own fuse. Stick with the fuse size that is recommended. Check all connection, including the connector to the unit, look for corrosion or wire issues. 

Agreed....that's for being more specific....

dc

 

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