Idle speed valve PWM wiring

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Idle speed valve PWM wiring

Postby 20B on Sat Jan 23, 2010 11:01 am

I am wiring up my 2 wire PWM idle control valve, obviously one wire is an AUX output on the M800 ecu but I'm not sure whether to wire the 12V power to the A26 wire on the ecu (12V + ) or directly from the ignition power relay from the battery ? My guess is the ign relay but maybe the ecu can sink the power consumption from the valve directly from the ecu ? Any suggestions ?
Mazda 1993 RX7
20B N/A engine
Motec M800,CDI, SDL, SLM, LTC, DHB
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Re: Idle speed valve PWM wiring

Postby 20B on Thu Jan 28, 2010 8:04 pm

Anyone ?
Mazda 1993 RX7
20B N/A engine
Motec M800,CDI, SDL, SLM, LTC, DHB
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20B
 
Posts: 140
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Re: Idle speed valve PWM wiring

Postby RossB on Wed Feb 03, 2010 10:17 am

Either method will work fine. Normally it would be powered by the ECU relay.
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Re: Idle speed valve PWM wiring

Postby 20B on Wed Feb 03, 2010 10:38 pm

Thanks very much
Mazda 1993 RX7
20B N/A engine
Motec M800,CDI, SDL, SLM, LTC, DHB
User avatar
20B
 
Posts: 140
Joined: Wed Jan 21, 2009 11:18 am
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