Add Electric Fan Relay

166,000 MILES
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NATHAN-R-HENRY
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I want to add an additional fan relay due to lights flickering when the stock fans turn on(alternator checks out and so does battery). I would like to know what each of the wires going to the stock fans represent. Thank you.
Dec 9, 2011 at 6:40 AM
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WRENCHTECH
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How is adding a relay going to change the current draw?
Dec 9, 2011 at 7:15 AM
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NATHAN-R-HENRY
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because i will draw current directly from battery instead of going through electrical system is this not correct?
Dec 9, 2011 at 7:21 AM
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WRENCHTECH
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No, it's not. You're already doing that.
Dec 9, 2011 at 7:42 AM
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NATHAN-R-HENRY
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ok then if the battery and alternator are ok how would i solve the flicker of lights when fan comes on. also rpms go below 500 when they kick in. thx for the help on this
Dec 9, 2011 at 7:46 AM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
Outside of just installing a bigger battery, there isn't much you can do there. A tech could check it out to be sure there aren't any module of connection issues. For the RPM issue you can clean the throttle body and throttle plate out on the inside.
Dec 9, 2011 at 8:04 AM
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