Clinician
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Joined: Jun 28, 2011 8:39:30 GMT -6
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Post by beerstop on Jun 28, 2011 11:05:19 GMT -6
i notice most people call all electrical problems a short in the system. for the most part this is not a bad thing however when properly diagnosing electrical issues it is a bad thing. here is the proper terms for these 2 issues as i was taught by the marine corps when learning to be an aviation electrician many moons ago.
Short: a short condition exists when a wire or two wires come in contact to each other or comes into contact with a ground source this will cause a fuse to blow or a circuit breaker to pop, also can cause the wiring harness to burn from the source of the problem all the way to the end of the circuit melting everything in its path!
Open: a open condition exists when there is a break in the wire and no signal is getting through, or a component is not energizing it will act like an open condition, common causes are bad connectors bad plugs or just plain ole broken wires.
Open conditions are harder to find as there is no pop or burnt anything so when diagnosing always start at the battery and work your way through to the component that is not working. Trace the wires and plugs and any fuses there may be and always clean and check your ground connection. You would be surprised how many problems are solved by starting at the battery , i worked building nautique boats and most problems were solved at or near the battery. if anyone else has any terms with a definition or description please add it. this all came off the top of my head from information i learned ARGGGGGH 25 years ago!
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Scooter Doc
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Post by sprocket on Jun 28, 2011 11:14:09 GMT -6
Useful thanks.. I wish they still taught this in high school !
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