106LikesThread: 302 Stroker??
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06-27-2013 07:22 PM #11
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- Car Year, Make, Model: 69 nomad, 73 charger, 74 vega
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General rule of electronics is to control the hot wire not the ground.
It works either way, but sometimes it can preclude problems.
If the fan is really injecting AC into the system, then I'd want to totally isolate it: use a double pole relay and cut ground AND hot. AND if the thermostat switch is too low, then the fan will be on at speed, whether It's helping or not..
Education is expensive. Keep that in mind, and you'll never be terribly upset when a project goes awry.
EG
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