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01-16-2012, 09:07 PM
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That maybe a possibilty. The heaviest draw is the fan starting so if you eliminated that, it may help.
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01-24-2012, 08:28 AM
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Well here we go again!  After a good cleaning and a bunch of Di electric grease last Sunday the fan relay went again! All I can think of is to go ahead and get the race harness and hope that solves the problem.
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01-24-2012, 09:44 PM
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Is the fan motor drawing to much? That many relays, it's probally something else.
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08 ds 450
Motworks SR4 G2
BCS Intake w/ KN airfilter
Pink Wire Mod
Streamline 11 pos Steering Stabilizer
Epic a arms w/ kyb remote ressi shocks
XMX rear shock
Yeehawww
Sig worthy quotes:
I don't have an attitude. I have a personality you can't handle.
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01-25-2012, 09:36 PM
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sounds to me like your main voltage has dropped , which (E=IR) means that a relay that will pull 3 amps at 14.8 volts ... the same relay in the same spot can pull over 10 amps at 12 volts which would overheat the relay quickly ...
what is the voltage at the fan while it is running ?
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2008 DS 450 Frame: removed all Rivets, modified front frame pieces,BCS frame support kit, replaced all bolts with metric fasteners,ENGINE: Custom Engine build by Williams ATV Performance, BCS intake,SR4G2,x factor nerfs and heels, PEP custom front and rear,Holz A-arms BRP race pkg
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01-26-2012, 11:04 AM
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Quote: Originally Posted by CANAMracerdad
sounds to me like your main voltage has dropped , which (E=IR) means that a relay that will pull 3 amps at 14.8 volts ... the same relay in the same spot can pull over 10 amps at 12 volts which would overheat the relay quickly ...
what is the voltage at the fan while it is running ?
WOW  !  I think I'm gonna have to call ya on that one! I'm not electrically educated in any way, so that all came across to me like Chinese!
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01-26-2012, 11:56 AM
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Senior Member
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Simple electrical the higher the volts the less amps it draws.the lower the volts the higher the amps it draws.
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01-26-2012, 04:25 PM
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So what voltage should I have while fan is running?
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01-29-2012, 02:12 PM
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Oh wait a minute it should be around 12 volts right? 
If it does read lower what would be possible causes?
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01-29-2012, 04:17 PM
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When it comes to electrical formulas I believe (may be wrong) that E=IR represents E (voltage) I (Amperage) R (Power/Watts)
Voltage = Amperage % Watts
Watts = Voltage x Amperage
Amperage = Voltage % Watts
This is whats called Power Formula
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02-02-2012, 06:17 PM
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I got 12.4v at battery, 11.7v at relay and fan with engine off, goes up a bit at relay with engine running. Is that little of a drop normal or could that be my problem? Plug from relay wire and fan wire read same as at relay and is in good shape. Any suggestions?
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