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Re: All sudden a fuse blows question


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Posted by Janicholson on September 23, 2023 at 06:08:06 from (24.240.46.228):

In Reply to: All sudden a fuse blows question posted by SleepyFarmall on September 23, 2023 at 04:31:40:

You know it was more than 5 amps, but not much more. You know it is consistent. The fuse blows because of 2 things heat from a cruddy fuse holder, or overload. putting in multiple fuses would have/did burnish the fuse holder contacts and let it be OK. I would look at the wiring to see if more than the coil was in the circuit. If so then there are multiple potential draws. If not, the coil might be going bad. they can increase the amps through them if they have an internal short between windings. This causes the windings to appear lower in resistance. If you are electrically capable, measuring amps is easy with a modest cost meter. it needss to be placed in series with the circuit you are testing. The one Geo is indicating is a good resource, or less expensive.
The coil should measure about 1.5 ohms if it is in a resistor circuit, or 3 ohms if it has no resistor (less likely) If it reads less than 1 ohm, it is likely the problem. Jim



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