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Old 08-04-2016, 11:54 AM   #11
Senior Member
Join Date: Apr 2015
Location: Ontario, California
Posts: 774
Originally Posted by Wildcat661 View Post
On Thursday, was just heading out for a long weekend getaway. Stopped to top up with fuel and noticed my tailgate had come down (not shut properly I guess) right onto the electric tongue jack. This in turn, held the switch on, but, because of the size of the fuse, proceeded to burn out the jack motor before the fuse finally blew. Wires melted, really strong burning odor, etc. Luckily, was able to pick up a manual jack and therefore not ruin out weekend.

Why would the manufacturer put in a 40 amp fuse in a 30 amp trailer?
WOW every time I read a mishap, it is "There but for the grace of God go I." Because I can see myself doing about any of them. As I get older I just have to have better check list procedures and the REDUNDANCY of DW double checking me,

As to the 30 amp Trailer with a 40 amp fuse, I THINK THE 30 AMP speaks to the 120 volt service. in 12 volt that would be about 300 Amps so a use that pulls 40 Amps in not out of line. The problem might have been that 40 AMP fuse on the tongue jack was not protecting it and if the wires actually melted , FOR SURE IT WAS OVER AMP FUSE on a line that sounds more like it was planned for maybe a 20 amp load that most include a 30 amp fuse for protection. Certainly fusing a circuit for more than the wiring can handle is BAD ENGINEERING or Just the wrong Fuse.

Now you have me out measuring to see what my tailgate hits if I let it fall down.

Tom48 is offline   Reply With Quote

fuse, power

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