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Unread 04-14-2014, 04:53 PM   #76
Mike Romain
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I am thinking it is the 7500 ignition box that cooked, not the coil or distributor.

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86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
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Unread 04-14-2014, 04:54 PM   #77
sabbyATL
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Quote:
Originally Posted by LumpyGrits View Post
On the wife's phone so my spell'n will be worst......
Do you have a timing light and the specs needed to set ign. timing?
Why did you decide to replace the 'dizzy'? Did it test bad? Did you even have it tested?
Did you ever ck for fuel flow??
LG

Oh, when you say timing do you mean the order in which the cylinders fire, as stamped on the engine case?
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Unread 04-14-2014, 04:55 PM   #78
Matt1981CJ7
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I'm enjoying watching LG and Mike stumble over each other trying to help a Damsel in distress.

You two studs rock on.
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Unread 04-14-2014, 04:56 PM   #79
sabbyATL
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Quote:
Originally Posted by Mike Romain View Post
I am thinking it is the 7500 ignition box that cooked, not the coil or distributor.

Can I get that anywhere? Like AutoZone?

I'd they another step in diagnosing this?
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Unread 04-14-2014, 05:01 PM   #80
Mike Romain
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Quote:
Originally Posted by sabbyATL View Post

Can I get that anywhere? Like AutoZone?

I'd they another step in diagnosing this?
I would next pull out a spark plug, ground it plugged in and crank the starter to see if you have spark.

I would also want to know what supplies the power to the 7500 box and would be checking out that circuits fuse.

Don't know who sells the box or how to test the pinouts on it. Maybe Google will give you a test procedure.
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86/00 CJ7 Laredo, 33x9.5 BFG AT's, 'glass nose to tail in '00, 'New' frame,wires and plumbing in '09. Carter BBD Carbed 4.0 HO in '10.
89 YJ Renegade. BBD Carbed 4.0 HO. Locked front and rear with 33x9.5 BFG AT's
Some Canadian Bush Jeep Runs and Build Photos: http://mikeromainjeeptrips.shutterfly.com (10 new albums added Sept 16/10)
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Unread 04-14-2014, 05:04 PM   #81
sabbyATL
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Quote:
Originally Posted by Mike Romain View Post
I would next pull out a spark plug, ground it plugged in and crank the starter to see if you have spark.

I would also want to know what supplies the power to the 7500 box and would be checking out that circuits fuse.

Don't know who sells the box or how to test the pinouts on it. Maybe Google will give you a test procedure.

We actually tried that yesterday. That friend I mentioned came over and he did that test. I probably shouldn't mentioned it sooner...note that I understand where you're leading me. Anyway, no spark when we did that.
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Unread 04-14-2014, 05:09 PM   #82
Matt1981CJ7
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Quote:
Originally Posted by sabbyATL View Post
Can I get that anywhere? Like AutoZone?

I'd they another step in diagnosing this?
I gave you a link to the test procedure earlier, but perhaps you missed it.

Here it is again. Read the first two posts and follow the directions. You'll figure it out.

http://www.jeepforum.com/forum/f8/je...-help-1092376/

Matt
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Unread 04-14-2014, 05:12 PM   #83
LumpyGrits
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Ign timing as when the spark fires inside the engine. You twist the dizzy at all-It changes real fast.
That pic of the fuel filter sayz nut'n. Doesn't mean the fuel is move'n at all.
Gotta go for the MRI now.....Dang stuff I had to drink, tastes BAD.......
Later,
LG
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Unread 04-14-2014, 05:15 PM   #84
sabbyATL
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Quote:
Originally Posted by LumpyGrits View Post
Ign timing as when the spark fires inside the engine. You twist the dizzy at all-It changes real fast.
That pic of the fuel filter sayz nut'n. Doesn't mean the fuel is move'n at all.
Gotta go for the MRI now.....Dang stuff I had to drink, tastes BAD.......
Later,
LG

Oh, I hope you're going to be okay!
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Unread 04-14-2014, 05:17 PM   #85
sabbyATL
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Hi Matt,

Sorry, I did see it. But I was getting pretty fast instruction from you guys and from my friend via text (you both pretty much had me do the same stuff...which was reassuring) that I didn't get a chance to examine it and then forgot about it.
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Unread 04-14-2014, 05:27 PM   #86
sabbyATL
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Quote:
Originally Posted by Mike Romain View Post
I would next pull out a spark plug, ground it plugged in and crank the starter to see if you have spark.

I would also want to know what supplies the power to the 7500 box and would be checking out that circuits fuse.

Don't know who sells the box or how to test the pinouts on it. Maybe Google will give you a test procedure.
So, after a bit of googling, here's what the 7500 box is (you probably already know, but I didn't):
20140414_182448_zpsbbiqr1v5.jpg  
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Unread 04-14-2014, 05:57 PM   #87
sabbyATL
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Ok, so I read through that thread Matt recommended.

I think we've already done everything there:

1. We know the solenoid isn't the problem

2. I tested the other side of the coil (though I'm not sure if this is the right way to test it) - black probe to coil (-) and red to battery (+). Get 11.5mV.
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Unread 04-14-2014, 05:58 PM   #88
sabbyATL
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But no spark using an old spark plug plugged into the distributor wire.
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Unread 04-14-2014, 06:01 PM   #89
Matt1981CJ7
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Replace the ICM.
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Unread 04-14-2014, 06:27 PM   #90
LumpyGrits
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Quote:
Originally Posted by sabbyATL View Post
Oh, I hope you're going to be okay!
THX-I have class2+, CHF.

Did you ever ck for fuel flow?
LG
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