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08-15-2012, 08:35 PM
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#1
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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lt1 pin A on the icm plug, where does it go??
where does wire A on the icm go to ? the diagram says its ignition positive voltage and looks like it goes to the crank position sensor, but im not positive. its a pink wire. help? the pinouts show that there are 2 pink wires going into the pcm: blue plug pin 3 pin and black plug pin 30
pulling my hair out atm.
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Last edited by Coreylt1; 08-17-2012 at 07:02 PM.
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08-15-2012, 08:48 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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The pink feed for icm/coil/cps is the same, common wire fed by ignition fuse.
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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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08-15-2012, 09:12 PM
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#3
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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I cant pull up my diagram on the phone, ill try and post when i get home tonight
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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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08-15-2012, 09:15 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 LTb1ow
I cant pull up my diagram on the phone, ill try and post when i get home tonight
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08-15-2012, 09:22 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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Yea that pink should feed the icm/coil/cps, verify you have voltage at all three before going further
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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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08-15-2012, 09:49 PM
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#6
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BadMod
Join Date: Aug 2004
Location: hamilton, nj
Posts: 8,889
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Does your wiring issue really need 5 threads?
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So much stupid, so little time.
Quote:
Originally Posted by 79CamaroDiva
It started before I drove your car. I just have to look at it the wrong way and your car poops parts.
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Mercerville MotorSports, LLC
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08-15-2012, 09:56 PM
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#7
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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Quote:
Originally Posted by LTb1ow
Yea that pink should feed the icm/coil/cps, verify you have voltage at all three before going further
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i checked icm and coil before i took it out of car and it all tested ok. im going to take wire a from the cps and put it to wire a on the icm. that should be correct.
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08-16-2012, 12:21 AM
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#8
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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You need power to all three, and whether each component worked before is irrelevent if they are missing power. Take a multimeter and check, its very simple before you hack up your narhess more.
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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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08-16-2012, 06:22 AM
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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 LTb1ow
You need power to all three, and whether each component worked before is irrelevent if they are missing power. Take a multimeter and check, its very simple before you hack up your narhess more.
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i can do that without having a batter or pcm connected? and where does it get its power from? sorry for the idiot questions. i am learning as i go. thank you for all your help
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08-16-2012, 07:43 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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Quote:
Originally Posted by Coreylt1
i can do that without having a batter or pcm connected? and where does it get its power from? sorry for the idiot questions. i am learning as i go. thank you for all your help
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No, you cannot do it without a battery or PCM.
However, you can find the fuse end, and test for continuity with a multimeter between the fuse end and each feed.
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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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08-16-2012, 08:39 PM
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#11
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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im searching for a new harness... im too stupid to figure it out..thanks though i really appreciate it.
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08-16-2012, 10:52 PM
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#12
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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I have a 96 harness, I think it started out as a M6 and was used on a TH400.
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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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08-16-2012, 11:15 PM
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#13
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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Quote:
Originally Posted by LTb1ow
I have a 96 harness, I think it started out as a M6 and was used on a TH400.
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what needs to be done to convert to m6?
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08-17-2012, 07:22 AM
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#14
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Well AFAIK, you don't do anything to it, as a TH400 requires no plug in cept the VSS, which I think is also on a T56.
I will take a look at it after work and see if it has all the trans connectors
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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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08-17-2012, 12:04 PM
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#15
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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I took out the harness, but no clue what a T56 uses/needs. If you can get me pics of what you need I can confirm its on my harness.
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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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08-17-2012, 06:57 PM
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#16
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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i just tested my icm harness pin A and D to ground. A got 12v but D was jumping around , no where near 12v though. where does D get its power from?
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08-17-2012, 07:17 PM
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#17
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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That sounds right, I think D should be the charge/discharge signal for the coil firing.
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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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08-17-2012, 07:33 PM
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#18
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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from shoebox's beautiful website
ICM Harness
A = ~10vdc-12vdc (or your system voltage)
B = 1vac-4vac while cranking
C = 0 ohms to ground
D = ~10vdc-12vdc (or your system voltage)
A B and C are correct. D is under 1v. is this a symptom of a bad coil?? im going to borrow one from work tomorrow and see is thats the problem. i tried a new icm today, not the problem thank god. 74$ for that
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08-17-2012, 07:35 PM
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#19
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Could be, a coil is an easy thing to test real quick either way.
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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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08-17-2012, 07:39 PM
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#20
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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ill give it a shot in the morning and let you know
oh, one more thing, the coil doesnt have to be touching the head to ground or anything right? i should be able to hold it in my hand and it would still function ?
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Last edited by Coreylt1; 08-17-2012 at 07:41 PM.
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08-17-2012, 07:44 PM
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#21
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Correct
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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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08-18-2012, 11:39 AM
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#22
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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Quote:
Originally Posted by LTb1ow
Correct
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new coil, 12v to pin A still. 0 to pin D. where does D get its power?
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08-18-2012, 12:47 PM
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#23
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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need shoebox!!
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08-19-2012, 12:54 AM
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#24
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Join Date: Jan 2012
Location: north jersey!
Posts: 87
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FIXED!! pin A to the coil did not have 12V. jumped it to fuse 11 and got spark! thank so much for the help guys i appreciate it
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