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08-11-2012, 06:25 PM
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#1
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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reinstalled harness after cleaning up hacked up mess, not gettin spark
i just cleaned up my harness and removed all the crimp connectors and soldered everything nice and neat and reinstalled it, and i am now not getting any spark. no power to the icm, i cant figure out what it could be. did i forget to connect a ground? did i mess up some wires? please help. need to get this fixed asap so i can finally drive this monster.
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08-12-2012, 07:10 PM
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#2
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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So the pink wire feeding the coil has no power?
Ignition wise, everything is plugged in correctly?
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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08-13-2012, 06:10 PM
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#3
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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Quote:
Originally Posted by LTb1ow
So the pink wire feeding the coil has no power?
Ignition wise, everything is plugged in correctly?
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i will check in a few mins about that pink wire, but one of the red wires going to the opti has power. which ones should have power with key on? and when cranking?
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08-13-2012, 07:00 PM
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#4
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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Quote:
Originally Posted by Coreylt1
i will check in a few mins about that pink wire, but one of the red wires going to the opti has power. which ones should have power with key on? and when cranking?
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no power to the coil. no power to the icm.
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08-13-2012, 07:01 PM
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#5
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Did you check your ignition fuse?
Edit: Should be fuse 11 I think
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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Last edited by LTb1ow; 08-13-2012 at 07:03 PM.
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08-13-2012, 07:10 PM
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#6
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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Quote:
Originally Posted by LTb1ow
Did you check your ignition fuse?
Edit: Should be fuse 11 I think
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yes
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08-13-2012, 07:15 PM
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#7
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Ok, well check to make sure you have power leaving that fuse, if so, you have a break somewhere. That fuse feeds the coil, ICM, and CPS.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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Last edited by LTb1ow; 08-13-2012 at 07:15 PM.
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08-13-2012, 10:30 PM
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#8
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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Quote:
Originally Posted by LTb1ow
Ok, well check to make sure you have power leaving that fuse, if so, you have a break somewhere. That fuse feeds the coil, ICM, and CPS.
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so i tested the opti harness and the icm. the grounds ohm'd bad, so i made new ones. no luck.
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08-13-2012, 10:35 PM
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#9
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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Quote:
Originally Posted by Coreylt1
so i tested the opti harness and the icm. the grounds ohm'd bad, so i made new ones. no luck.
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do i need to have a ground to the block? i have the ground strap connected from the frame to the block, but is it necessary to have grounds connected to the block or should i be able to attach them anywhere to a good clean ground
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08-14-2012, 07:16 AM
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#10
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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From what I remember there are a few grounds at the head on an ICM stud, and then the ground strap to the frame from there. There is also a PCM ground on the passenger side of the block near the knock sensor.
Do you have voltage at the fuse and after it?
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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08-14-2012, 09:42 PM
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#11
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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Quote:
Originally Posted by LTb1ow
From what I remember there are a few grounds at the head on an ICM stud, and then the ground strap to the frame from there. There is also a PCM ground on the passenger side of the block near the knock sensor.
Do you have voltage at the fuse and after it?
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will check the fuse tomorrow, forgot.
i did check the yellow wire on the opti harness, pin B . should be 2-4 volts when cranking. it was bouncing around but didnt go over 2.2 volts
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