Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

name this plug???

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Old Mar 13, 2008 | 07:00 PM
  #1  
ironleg's Avatar
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From: manhattan kansas
Car: 1988 iroc z28
Engine: 357ci
Transmission: 4sp auto
Axle/Gears: stock for now
name this plug???

ive got an 88 iroc and in swaping the engine i gess i didnt mark everthing and cant find a place for this plug 1 wire is tan or light brown with a white traser the other is orange its on the back right side of the motor i cant find where it goes can any one help??
Attached Thumbnails name this plug???-plug.jpg  
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Old Mar 14, 2008 | 09:42 PM
  #2  
ironleg's Avatar
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From: manhattan kansas
Car: 1988 iroc z28
Engine: 357ci
Transmission: 4sp auto
Axle/Gears: stock for now
Re: name this plug???

no one knows where this plug goes to do we need more info??
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Old Mar 15, 2008 | 08:38 AM
  #3  
UNCLE TOM's Avatar
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From: ms. gulf coast
Car: 91 R/S , 89 dodge p/u
Engine: L31 GM crate re-cammed , 318
Transmission: T-5 , 4 speed auto
Axle/Gears: 3.42 , ?
Re: name this plug???

from your pic. it looks like lt. side ( drivers side of eng. ) . if so i would say it's oil press/fuel press. lead . switch is above oil filter . ?????????????
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Old Mar 15, 2008 | 09:27 AM
  #4  
TF34MECHH's Avatar
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Joined: Jan 2003
Posts: 153
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From: Battle Creek MI
Car: 90 RS
Engine: 350
Transmission: 700R4
Axle/Gears: 2.77
Re: name this plug???

I think Uncle Tom is right. http://www.austinthirdgen.org/mkport...ine_wiring.gif
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Old Mar 15, 2008 | 09:50 AM
  #5  
ironleg's Avatar
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Joined: Jan 2007
Posts: 34
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From: manhattan kansas
Car: 1988 iroc z28
Engine: 357ci
Transmission: 4sp auto
Axle/Gears: stock for now
Re: name this plug???

it comes out of the big wire harnes that runs across the back of the engine and is on the driver side ive got the oil psi taken care of so it must be the fuel psi switch????
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Old Mar 15, 2008 | 10:01 AM
  #6  
BigBadLou's Avatar
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Posts: 2,989
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Car: '91 Z28 convertible
Engine: TPI
Transmission: T5
Axle/Gears: 3.27 posi disc
Re: name this plug???

Yes, this is for the oil pressure fuel pump switch. Depending on what you're swapping in, you might/mightnot need this one.

Lou
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Old Mar 15, 2008 | 11:16 AM
  #7  
LOWRS's Avatar
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From: in
Car: 92 RS
Engine: LO3
Transmission: 700R4
Re: name this plug???

There were a couple configurations of this switch, one w/2 wires, one w/3. Since you have the two-wire plug, it's safe to assume your'e talkin' about the oil gauge working. The purpose of the switch is to cut off fp power in the event the oil PSI drops below 6lbs. The switch is on a boss just above the oil filter, and, if you're keeping the circuit intact, you need it. There are ways around that, though, if you don't have the provision for the switch on yer new motor(is that a rat?).
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