DIY install vacuum valve to bypass stepper motor

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boyzone

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boyzone

2,000 RPM
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Mar 13, 2005
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Guys,
If I would like to DIY install vacuum valve to control my aircon idling and let my Mitsubishi engine running without stepper motor.
Anyone can help to provide step by step?
I go to this way is because this stepper motor always gave me stalling issue when running with air con.
Pls advice.. Thanks.
 

4g91ajer

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4g91ajer

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Nov 29, 2003
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U mean that 2 wire thingy...If not mistaken one wire connect to ground and another one to compressor wiring...When turn on aircond then only the valve functioning...
 

boyzone

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boyzone

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Mar 13, 2005
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Besides this, there have 2 output from FICD, which is function as input and which is output? Pls advice... Thanks
 

4g91ajer

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4g91ajer

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The top outlet which is adjustable must joint in between air ram pipe and engine head(beside distributor) which u need 't joint' and bottom outlet joint to in between manifold and engine head(near intake manifold) which also need 't joint'....Gud luck