Subject	Hopefully someone with specific knowledge of this can
Posted by	jzack on August 08, 2012 at 8:21 PM
	This message has been viewed 174 times.
In Reply To	Fuel Pump Controller Questions posted by daygobaker on August 08, 2012 at 05:57 PM
Message	verify? But generally when computers control things -- 2 signal lines would allow 4 conditions to be set if using just simple binary logic states (all referenced to ground). Both lines off - state 1, one line on and the other off - state 2, second line on and the first off - state 3 and both lines on - state 4. So 3 speeds: 1st speed with line 1 on, 2nd with just line 2 on and then with both of them on speed 3. FYI: A three-way light bulb in a lamp does the same thing with just 2 filaments. Hope this helps?
Follow Ups	Fuel Pump Controller Questions - daygobaker 17:57:12 08/08/12 Hopefully someone with specific knowledge of this can - jzack 20:21:33 08/08/12 Re: Hopefully someone with specific knowledge of this can - daygobaker 13:16:14 08/11/12 I think... - WhiTTe Z 17:47:01 08/09/12 Re: I think... - daygobaker 13:13:19 08/11/12 Re: Re: I think... - WhiTTe Z 18:01:44 08/11/12 Controlled by temp. Cold start more volts hot start more - craigz96tt 13:15:00 08/11/12 The FPCU does not vary the positive side voltage - Joe@ZSpeedperformance 11:32:08 08/12/12 Re: The FPCU does not vary the positive side voltage - 94ttz32 21:27:04 08/12/12
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