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Old 12-14-2015, 06:48 PM   #15
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Thank you all for the great advice. I'll use automotive blade type fuses like I did on my 66 Trade Wind. I understand that a blown fuse means find the cause. And it might be Airstream thought both fuses and resetting circuit breakers were safer, belts and suspenders so to speak.

My thread was not visible to me for some reason. I just read your replies now. I wasn't ignoring you.


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Old 12-14-2015, 09:57 PM   #16
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2006 34' Classic S/O
Fort Worth , Texas
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Lewster and Idroba are right. One night a few years ago I pinched and shorted a pigtail while backing up in a near jackknife position trying to turn around at a closed park entrance. In the dark of night I repaired the pigtail and replaced the truck clearance light fuses. The next day going down a long mountain grade I noticed smoke coming from under the hood. As I pulled over to the shoulder, a tow truck driver going in the opposite direction saw me and did a U turn, and came back to me. He jumped out of his truck with a cable cutter, I released the hood and he raised it. He cut the main battery cable. He then towed me to a friends house were the kind people let me park a couple of days while I got everything repaired. He came by the next day and towed my truck to a GM dealer.
There was apparently a low grade short that became worse as I had driven after the original pigtail damage. The trailer circuit breakers were "type one" auto resetting. They were not only burned up, but a large portion of the truck battery to pigtail wiring was destroyed. A mobile RV repairman and a GM dealer replaced the damage wiring. Irony rained when all this happened, while rolling to a stop on the Interstate I noticed a loss of all electrical power in the truck. My fist though as I came to a stop, "how are my wife , mother-in-law and I going to open the electric door locks? Then as the panic subsided I notice the manual lock knobs. About that time the tow truck driver was at the side window motioning to me to release the hood. Oh well, another towing adventure.

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Old 12-14-2015, 10:13 PM   #17
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Hi, I replaced the fuse on my tongue jack with a circuit breaker; It's not just a 12 volt circuit breaker but the amp rating must match too. Don't replace a 10 amp fuse with a 20 amp circuit breaker.

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Old 04-04-2016, 06:37 AM   #18
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I will prefer using circuit breakers in comparison with fuses.
You can find air circuit breakers and vacuum circuit breakers online.
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Old 04-04-2016, 10:28 AM   #19
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I also plan on using manual resetting circuit breakers for all of the 12VDC
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Old 04-04-2016, 12:50 PM   #20
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One can purchase ready made DC marine fuse blocks by Blue Sea Systems for reasonable prices from outfits like Defender Marine.

They at all arranged into a good looking panel that's easy to mount and wire.

All you need to do is specify the amperage rating of the breakers.

Lew Farber
RVIA/RVDA Nationally Certified Master Tech
ABYC Certified Master Marine Electrician
Master Tech Energy Systems, Inc.
AM Solar Certified Installation Center*AMS Lithium Batteries
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Lew Farber...ABYC Certified Master Marine Electrician...RVIA Certified Master Tech ...AM Solar Authorized Installation Center...AIRSTREAM Solar & Electrical Specialist...Micro Air 'Easy Start' Sales and Installations
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