e-fan
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e-fan
i have an electric fan out of a lincoln mark vii and i was wondering which wire is high??? there is a black, a blue and a brown/red. they are all the same gauge. i assume black is ground, but i dont know how to guess which is high...any ideas?
Lead Driver
Joined: Sep 2002
Posts: 9,182
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From: Gateway to the West
Welcome to FTE and the Big Bronco Forum.
Get an electrical diagram for the model year Lincoln Mk VII the fan is from and see. I mean, unless there is a Mk VII owner out there who has this knowledge floating aorund in his/her head, that'd be the simplest way to determine which is which.
Get an electrical diagram for the model year Lincoln Mk VII the fan is from and see. I mean, unless there is a Mk VII owner out there who has this knowledge floating aorund in his/her head, that'd be the simplest way to determine which is which.
More Turbo
Joined: Jul 2003
Posts: 566
Likes: 5
From: SC
Use jumper wires from a battery. Odds are excellent that black is ground so one of the other two will be high. Test with the fan upright against a workbench leg or something so air can flow through it. Don't lay it facedown on the floor and try to test it. Hold it tight, when you put power to it it will immediately go from zero to max speed and try to torque out of your hands. Watch for shorting your test wires together or between the connectors, best to get a helper to keep everything steady. The difference between high and low can be told with just running it both ways for a few seconds. It will be pretty obvious. It you should happen to get the ground backwards, no big deal, the fan will just run backwards.
Lead Driver
Joined: Sep 2002
Posts: 9,182
Likes: 12
From: Gateway to the West
Originally Posted by GypsyR
If you should happen to get the ground backwards, no big deal, the fan will just run backwards.
