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FJR Motorcycle Forums
Technical & Mechanical Problems
Radiator fan works only with 12v applied
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<blockquote data-quote="RossKean" data-source="post: 1414898" data-attributes="member: 19880"><p>Doesn't make sense. What is the difference with 12V being applied directly or via the relay? (Maybe I am missing something?)</p><p></p><p>Did you actually check for 12V at the connector to the fan with the self-test? If not, it seems to me that there may be a problem with the relay or a broken wire between the relay and fan. IIRC, the relay for the headlight is the same as the fan relay??? If so, you can swap them to test the relay. Could also be that the relay contact is pretty burnt and although it might deliver 12 V (unloaded), it might have a large voltage drop under the load of the fan and unable to run it.</p><p></p><p>Edit: Carver gave somewhat the same answer in a lot fewer words!</p></blockquote><p></p>
[QUOTE="RossKean, post: 1414898, member: 19880"] Doesn't make sense. What is the difference with 12V being applied directly or via the relay? (Maybe I am missing something?) Did you actually check for 12V at the connector to the fan with the self-test? If not, it seems to me that there may be a problem with the relay or a broken wire between the relay and fan. IIRC, the relay for the headlight is the same as the fan relay??? If so, you can swap them to test the relay. Could also be that the relay contact is pretty burnt and although it might deliver 12 V (unloaded), it might have a large voltage drop under the load of the fan and unable to run it. Edit: Carver gave somewhat the same answer in a lot fewer words! [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Radiator fan works only with 12v applied
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