Fan relay - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Electrical
Where does this wire go?
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post #1 of 7 (permalink) Old 05-23-2012, 09:56 PM Thread Starter
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Post Fan relay

Curious to know where the cooling fan relay might be located? When I ground out the fan switch, the fan doesn't run...I did put direct power to fan from battery, and fan works. 30amp fuse is good also, unless there is another fuse somewhere else...
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post #2 of 7 (permalink) Old 05-23-2012, 10:28 PM
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The cooling fan relay is inside the junction box.
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post #3 of 7 (permalink) Old 05-24-2012, 02:12 PM
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Dosn't the Jb have to be replaced if the fan relay is bad?

04-3,200 miles bought July 2011 with 928 miles. Loaded with acessories to many to list here, see my albums for more details! I also make a custom tank bib specific for the 750 if anyone is interested, ck my albums for some pics.
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post #4 of 7 (permalink) Old 05-24-2012, 04:48 PM Thread Starter
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I am going to rig my own relay circuit for the fan...a youtube video shows that the inside of the junction box is a circuit board with the relays soldered in...screw that. Bypass the whole system will work for me.
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post #5 of 7 (permalink) Old 05-28-2012, 01:07 PM Thread Starter
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Simple simple. Wired up a relay on its own system, and all is good!
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post #6 of 7 (permalink) Old 05-28-2012, 01:35 PM
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Please explain that set up, my second 750 the relay is bad, in all my spare parts did not have the JB!

04-3,200 miles bought July 2011 with 928 miles. Loaded with acessories to many to list here, see my albums for more details! I also make a custom tank bib specific for the 750 if anyone is interested, ck my albums for some pics.
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post #7 of 7 (permalink) Old 05-29-2012, 10:55 AM Thread Starter
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No problem. Get a 12V 30A relay and a 30A fuse holder with 30A fuse. I had the seat, tank, left airbox, and plastic cover(coil cover) above airbox off. Wire a power wire with fuse and ground wire from the battery to the front of bike. I mounted the relayin front of the coil pack. Hook the battery power wire, spliced with another power wire running to the fan connector, to relay terminal 85. Hook ground wire from battery to relay terminal 30. Run ground wire from fan connector to relay pin 87. Then run wire from switch on bottom of radiator to relay terminal 86. The battery wire will power both the relay and the fan. Once the radiator switch gets hot, it will ground out the relay which will ground out the fan. To confirm work is right, ground out the rad switch and the fan should click on. Also ride bike hot and confirm the switch on rad works. The fan will turn itself on and off.
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