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Old 05-12-2013, 01:49 PM   #1
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Fuses

Hi I have a 2000 daybreak 3027 and Ive somehow knocked out the fuse (or supply) for the satelite dish, the cab radio and a light (cabin) above the dash. Spent all day pullingffucesking also pulled a lot of wires. There is a heck of a mess under there with extrauses chucked in as things were added I guess. Ive had her for 18 Months now and she sure is a hard taskmaster. Problem after problem but this ig GGGRRRing me no end. The manuals I have do not show a detailed wiring diagram so Im just stabbing around in the dark. HELP ME please pretty please. Thanks pulling fuses is boring.
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Old 05-15-2013, 07:15 PM   #2
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Welcome to the forum!

Yup. Your experience is similar to mine. If you want to test fuses without removing them from the fuse box, get a fuse tester from an auto parts store.
They have a plastic top with an LED light inside. You simply push down onto the suspected fuse and make contact with the two contacts on the top of the fuse and the tester will light up if it's good. These testers are pretty cheap.

Now, let me tell you...you have entered the DARK side of RV repair. This is not easy stuff most of the time. RV's are designed by geniuses (mostly) and assembled by (sometimes) gorillas. You could use two additional tools. One is a voltmeter. You can use it to find a 12v source for power or tell if the wire to the appliance is getting 12v. The other is a long wire with a large alligator clip on one end and a smaller alligator clip on the other. You can clip the large one on the + side of the battery and touch the other end to anywhere you think should have +12v. This can help you figure out where the circuit is defective. NOTE: this is an unconventional trouble-shooting approach not to be used by people who are not knowledgeable about wiring, or who are accident-prone. I have used it when I couldn't figure out what else to do. On the ground side, you can also have an open circuit, so you need to look there, too. Do NOT use your +12v wire on the ground side of any load. You will fry something and maybe cause a fire.
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Old 05-15-2013, 08:57 PM   #3
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Instead of pulling fuses use a 12 volt test light. Find a good ground and then just touch each end of the fuse you want to test. A voltmeter can trick you on occassion but a test light will put enough of a load on the system to give you a good reading. They cost about 5-10$
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