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

wireing issue possible bad cpu

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Old Apr 15, 2010 | 09:30 AM
  #1  
enswrob's Avatar
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Joined: Oct 2007
Posts: 484
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From: Marengo,IA
Car: 89 Firebird
Engine: 2.8L out of a 89 camaro
Transmission: 5 speed
Axle/Gears: ?
wireing issue possible bad cpu

so i was driving last night and ended up dragging part of the harness that runs along the k member. all the wires got shredded. cleaned up the wires best i could. spliced new in that section of the harness. pulled all fueses and checked they are good.

here is the deal. im thinking the computer pooped out. tried to jump the a-b terminals and no fan comming on no check engine light is comming on when u turn the key on.

engine will crank but no fuel pressure. no power at the fuel pump relay at all. i checked every thing i could think of on the side of the road before i called the tow truck.
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Old Apr 15, 2010 | 02:26 PM
  #2  
NINÅ's Avatar
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Joined: Jan 2006
Posts: 3,341
Likes: 10
From: Mooresville NC
Car: LOWERED ♦ CRIMSON METALFLAKE
Engine: ► 400 KUBES ◄
Transmission: 765R4
Axle/Gears: EATON POSI 4.56
ECM DOA

Once you verify you have the wiring reestablished if the light bulb isn’t burnt out, replace the ECM.


Happy Racing!



I Didn’t Wreck, The Track Moved
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