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fuel pump quickie...

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Old Nov 2, 2008 | 08:34 PM
  #1  
Jammin'Trey's Avatar
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fuel pump quickie...

Hey guys which wire do i send +12 to on the oil pressure sender switch to prime the motr. Swapped motor out his weekend and I cannot figure out where the ecm send it to prime when switch is on. Thanks in advance.
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Old Nov 2, 2008 | 08:39 PM
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Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: fuel pump quickie...

The fuel pump doesn't prime through the oil pressure switch.
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Old Nov 2, 2008 | 08:40 PM
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Re: fuel pump quickie...

great! what am i going to do now! Could I hotwire it to ignition switch somehow?

or could i run +12 to the relay somewhere to run it? I need to get the car home from my buddys house right now. I plan on putting it on an oil pressure sender later
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Old Nov 2, 2008 | 08:47 PM
  #4  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: fuel pump quickie...

You can just short the switch out temporarily.
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Old Nov 2, 2008 | 08:58 PM
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Re: fuel pump quickie...

cool, which wires do i need to short to get her going? the end two?
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Old Nov 2, 2008 | 09:11 PM
  #6  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: fuel pump quickie...

Pins D and C, should be a tan wire with a white stripe and an orange wire.
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Old Nov 2, 2008 | 09:22 PM
  #7  
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Re: fuel pump quickie...

thanks man! I can short the wires and it will continually run until i disconnect them correct? I dont have the factory oil pressure sender on the car...
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Old Nov 2, 2008 | 09:41 PM
  #8  
Apeiron's Avatar
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Joined: Jan 2000
Posts: 20,981
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: fuel pump quickie...

Yes
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Old Nov 2, 2008 | 09:43 PM
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Re: fuel pump quickie...

thanks man your a big help!
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