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1pr wires

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Old Aug 13, 2017 | 05:31 AM
  #1  
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From: dirty jerzy
1pr wires

I tried to ask in other thread --- there are two wires on harness that go to ipr,
there are two wires on a new connecter that I took off old uvch
does it matter witch is witch---
 
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Old Aug 13, 2017 | 09:30 AM
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My guess would be that it does matter as it is a coil being energized that pushes a piston within the IPR that allows for oil flow. I would think that if wired backward the coil would still energize, but the field would be backward.

Pretty easy to figure where the two wires go looking at the diagram. I would use a multimeter set for continuity from the PCM relay.


 
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Old Aug 14, 2017 | 01:20 PM
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From: dirty jerzy
there is a red wire
and a yellow wire on the wire harness
any guess whitch one is what
on your diagram
 
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Old Aug 14, 2017 | 01:31 PM
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Red wire is hot (12 volts) with key on.
Yellow wire is pulsed to ground by the PCM to control the IPR.

Looks like Red goes to IPR pin on the right when viewed from the front top of IPR plug.
 
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Old Aug 14, 2017 | 01:39 PM
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From: dirty jerzy
if you are sitting in the driver seat - looking at the plug connecter wires
ill try red towards passenger side
 
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Old Aug 14, 2017 | 01:41 PM
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From: dirty jerzy
boy I sure wish one of you were in my drive way
 
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Old Aug 14, 2017 | 01:49 PM
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Drivers side, I believe. I'll go look at my 99, the 97 is not here at this time. Back in a few.
 
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Old Aug 14, 2017 | 01:53 PM
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From: dirty jerzy
thank you for the help-----
jjust bought new cps from ford ----
installed new --hpop
fuel pump
ipr
idm
new injector O-ringsglow plugs
uvch
pigtails
no start!!!!!!!!!!!
 
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Old Aug 14, 2017 | 02:20 PM
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follow the above chart please
 
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Old Aug 14, 2017 | 02:26 PM
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From: dirty jerzy
thanks for chart--that's what I used be for I got started-------
no smoke out tail pipe--line
witch lead to all I replaces
its a van-- there is no tack gague
 
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Old Aug 14, 2017 | 02:38 PM
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No joy on the 99, it is so dark in there and the wire looms are so tight I cant get a good look. I did take a peek at some old pictures and the IPR connector has a rounded side up and flat on the bottom. So Red wire goes to the the passenger side as you first indicated.
 
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Old Aug 14, 2017 | 03:58 PM
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From: dirty jerzy
nooooooo---I just switched them------------be the way it didn't start that way either
 
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Old Aug 14, 2017 | 04:33 PM
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It should work either way. Did you put that brand spanking new CPS in yet your purchased from Ford? Is there ...

1. fuel in bowl?
2. fuel pressure while cranking?
3. oil in HP oil reservoir, topped off?
4. batteries - starter good, cranking fast?
 
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Old Aug 14, 2017 | 04:38 PM
  #14  
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From: dirty jerzy
yes new cps in
going to check fuel press tomoro
I'm beat ,sore -hot- dirty - greasy- a good day!!!!!!
but no start
 
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Old Aug 14, 2017 | 05:00 PM
  #15  
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I hear ya, been there. Take a break.
 
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