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oil pressure safety switch

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Old Feb 21, 2006 | 06:54 PM
  #1  
Gumby's Avatar
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Joined: Oct 2001
Posts: 8,113
Likes: 6
From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
oil pressure safety switch

oil pressure safety switch for the fuel pump
looking to find out how many wires it has.

suppose to be near oil filter.

Does it have a 2 wire or 3 wire switch?

[not looking for the gauge switch.]


thing is AZ wants $40 for one and needs to order

found a few on Ebay long n short, 2-3 wire


Item number: 8026715513

Item number: 4614894586

Item number: 8038968094
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Old Feb 21, 2006 | 07:00 PM
  #2  
WhiteHawk's Avatar
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Joined: Jul 2005
Posts: 290
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From: Detroit, MI
Car: 1991 Firebird
Engine: 350,Dart Heads,Weiand In,Roller Cam
Transmission: 2400-Stall, 700R4 w/ Kit
Axle/Gears: 4th Gen 3.42 disc (I wish)
Goto summitracing.com, they have cheaper ones. It doesnt matter if it has 2 or 3 prongs, it will work as a switch. The 3 prong just has a normally closed circut I guess to run a warning light.
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Old Feb 21, 2006 | 08:25 PM
  #3  
Gumby's Avatar
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Joined: Oct 2001
Posts: 8,113
Likes: 6
From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
wrong thread.........


I just wanted to make sure. Book wiring only shows two wires running to it but ya never know.

Last edited by Gumby; Feb 21, 2006 at 08:31 PM.
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Old Feb 21, 2006 | 08:34 PM
  #4  
firebirdjosh's Avatar
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Joined: Oct 2004
Posts: 3,361
Likes: 1
From: Worcester, MA
Car: 86 T/A
Engine: HSR 355
Transmission: 700R4
Axle/Gears: 2.77 posi
My 86 only has 2 wires.
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Old Feb 22, 2006 | 01:30 AM
  #5  
Gumby's Avatar
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Supreme Member
 
Joined: Oct 2001
Posts: 8,113
Likes: 6
From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
Just wanted to make sure, latley I have bought n bought all kinds of new parts and fixed nothing.

Thought it was flaky wiring, then the pump, still not kicking pump on, but new pump sounds healthier. fuel pump relay never worked for life of my ownership[7+yrs], only the 7psi oil switch. threw a low voltage FP code for life also, but always ran fine. I don't plan to fix the FP relay. I like it that way so ya got oil PSI first, then start. though now its not working, when oil PSI builds nutin honey.

though during all this I installed a back up manual FP switch but.....
I like the safety of the oil switch on boths end of the stick.
On start up and accidents.

got the 2 prong $13.50 shipped one on Ebay
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Old Feb 23, 2006 | 01:41 PM
  #6  
Denis.V's Avatar
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Joined: May 2002
Posts: 510
Likes: 5
From: Santiago, CHILE
Car: 1986 Pontiac Firebird Trans Am
Engine: 305 Tuned Port Injection
Transmission: The famous 700R4
Axle/Gears: No idea
Very easy:

2 wires: for oil pressure LIGHT in dash

3 wires: for oil pressure GAUGE in dash.


Buy the right part for your car's needs,


Denis V.
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