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1st gen NIGHTMARE!!

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Old Apr 5, 2020 | 10:27 PM
  #31  
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Originally Posted by CUUDA
Yeah its got a new fuel pump and has 40+ psi at the rail. Right at 12 volts to coil. Coil is new. I got a feeling its related to those orange wires. Likely going to cam and crank sensor. Need to find wiring diagram.

Just weird cause after all the intake gasket work it still ran like crap until I jacked with the harness that leads to the dizzy. After repairing that factory solder joint it ran perfect, well, until today.
They're in the factory service manual.

I've attached those two sensor wiring sheets from the PDF.

RwP
 
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Old Apr 5, 2020 | 10:30 PM
  #32  
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Found a diagram and just as I figured. That orange wire does go to both cam and crank sensor as well as speed sensor.

 
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Old Apr 5, 2020 | 10:35 PM
  #33  
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ACTUALLY - for 1993, it doesn't go to the speed sensor.

Check the diagram I uploaded.

RwP
 
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Old Apr 5, 2020 | 10:45 PM
  #34  
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Originally Posted by RalphP
ACTUALLY - for 1993, it doesn't go to the speed sensor.

Check the diagram I uploaded.

RwP
I see that! The diagram I posted is from Alldata. So the one you posted shows 8 volt input for that orange wire.
 
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Old Apr 5, 2020 | 10:50 PM
  #35  
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Originally Posted by CUUDA
I see that! The diagram I posted is from Alldata. So the one you posted shows 8 volt input for that orange wire.
That's what it says, all right.

Again, I'd grab the FSM for the final word save where there's a TSB change. I get those from AllData.

RwP
 
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Old Apr 24, 2020 | 10:21 AM
  #36  
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Found the culprit.

 
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Old Apr 24, 2020 | 04:25 PM
  #37  
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Crank sensor.

Ouch.

RwP
 
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Old Apr 24, 2020 | 05:20 PM
  #38  
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Thanks guys for bumping heads with us! Even the smallest of advice goes a long ways.

First time that a bad crank sensor didnt just take a total crap and not run. May be some good info for someone in the future.
 
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