I'm sure I got a short.

[ShhhhhDougsHere]

So now that I've read your explanation of the diagram ( Curious ) and understand it more I'll make some notes from what you explained and try some more tomorrow when there's daylight.
Thank you very much for explaining it to me.

 

[ShhhhhDougsHere]

I know that I'm not getting spark at the plugs other wise it would have started when I sprayed it with starting fluid.
I'm pretty sure that I'm not getting power to the icm/EDIS-6.
At this point with the test I did today with the eec. reply out I don't know if I did something wrong or not so I'm going to do that text again tomorrow.

I should do the test with the key off.
Right?
And just the number 8 pin from the icm.
The eec. reply out.
Should I get anything from any of the other ports that the eec. reply plugs into besides the one port hooked to the wire that goes to the eec.?
I'm just trying to check and see if the eec. to icm wire is good. Right?

 

[ShhhhhDougsHere]

Bobby did say:

and pin 8 on the icm has power now?

does pin 9 have good connection to ground?

Then I replied to that later saying:

I'm not totally sure that pin 9 is getting ground.

Let me ask this. I have a friend who works at a salvage yard he gave me an extra plug for the icm with about 3 inches of each of the wires on/in it.
That way I can take cut wires from it and put into the actual one that's plugged into my icm so I don't have unplug it all the time or cut any wires on my wiring harness or anything.

So here's the question can use the ground wire from it that cut and run a ground straight to the negative cable/post?
Or well that mess something up?

 

[ShhhhhDougsHere]

Bobby answered:

that is good. run power and ground right to it and pull the 8 and 9 out. this isolates it...then hit it with starting fluid if it dont pop off

If I'm understanding right,
I really can just pull out number 8 pins wire and number 9 pins wire from the wiring harness clip that plugs into my icm.
Then put in the cut number 8 pins wire and number 9 pins wire into the wiring harness and hook those straight to the battery.
Then try to start the truck and see what happens.

Well doing that mess anything else up?
If I do try that should I put a fusible link into the new power wire I will be running?
If so what size fuse should I use?

 

[ShhhhhDougsHere]

Once again thank you guys for all the help you are giving me.

 

[ShhhhhDougsHere]

I really don't want to mess up my icm. They cost money and I don't have any.

 

[bobbywalter]

pin 9 have solid ground? it appears you know how to safely depin the harness?


that can be tricky

 

[ShhhhhDougsHere]

I still can't tell if pin 9 has good ground or not.
And yes I do know how to safely depin the harness.

Should I start with just pulling pin 9's wire and putting in the cut one in it's place then grounding the cut wire.
Then with pin 8's real wire still in place trying to see if it has power or not?

 

[ShhhhhDougsHere]

Or should I pull both 8 & 9's real wire out and doing what I said earlier and see if I get anything?

 

[ShhhhhDougsHere]

Either way I'm trying to do my best to not do any damage to anything else.

 

[rumblecloud]

I apologize. I meant no disrespect.

 

[ShhhhhDougsHere]

Rumble, I didn't see anything you said disrespectful. You did say something disrespectful it went over my head

 

[ShhhhhDougsHere]

Good night everyone.

 

[pjtoledo]

I'm a bit hesitant to jump in here, but what 'da hell, here goes,,,
pin 9 in the harness should have a direct route back to the battery negative/ground post.
to test, do a continuity/ohms/resistance check from 9 in the harness to the battery negative. leave it ( 9 ) in the
connector.,
you may get about 1 ohms there, that's the actual resistance of the wire.
to do a better test rig up a small light bulb, 12v, or test light, and go between 9 in the harness and the positive battery post.

do not run straight wire from the positive to pin 9, that will be a direct short and something will go POP
there must be a load there, that's the light bulb/test light.

that will give you a circuit that goes from the pos terminal, thru the light, then back to neg terminal thru the harness.
it puts a small load on the wires, a volt-meter does not put any load on wires while testing.

post edited 11-28-2024 to remove mention of PCM. should have been ICM.

 

[ShhhhhDougsHere]

Good morning everyone. I just popped in to see what was wrote after I went to bed last night.

Thank you PJ I will try that text first before doing anything else once I can get time to try working on my truck.

And Thanks to everyone else who have given me advice here in the forum.
I truly do appreciate all the help.