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Old 07-13-2012, 09:11 AM
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This is the only way

This is the only way I can get my
Yj to start

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Old 07-13-2012, 02:44 PM   #2
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does your jeep have a neutral safety switch? or a clutch switch?

if i remember correctly you said you had power, but will it roll over and not fire?

how about the ground wires from the motor to the body?

just throwin out ideas here...mine had a starting issue which ended up being the starter selenoid wasnt getting a good ground.

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Old 07-16-2012, 07:18 PM
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Anyone else?
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Old 07-16-2012, 09:39 PM   #4
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So, you hook a black wire with a red slippy cover onto your doohickey?

What circuit is that, and are you adding power? or grounding the circuit?
What engine and transmission and WHAT YEAR?

MORE INFORMATION! your picture is NOT worth 1000 words.....

Ill assume your adding power to your coil, looks like the connector is missing, put that back in place, make sure your power and ground is present, and if not, what circuit is missing said power or ground.....

Ill also assume you have a HO4.0L so check all your fuses, a bad fuse could kill power to your distributor (on any vehicle). Check any fuseable links, and check for broken wires, sometimes a wire can break internally but still look good, this usually happens when the harness is not secures and allowed to flop about...
Check all your safety switches, for the clutch for a manual, and for the P/N safety switch under your dash for an automatic.
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Old 07-16-2012, 10:03 PM   #5
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Your 2MB camera phone picture is hardly diagnostic. You didn't even ask a question in your initial post; rather, made a statement.

Sweet. I like how you start your vehicle.
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Old 07-16-2012, 11:23 PM   #6
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i am glad mine doesn;t start like that, anyone could pop the hood and hook that up.

i had a bad ground at my starter solenoid too
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Old 07-17-2012, 12:29 AM
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Ok to clear up.
95 2.5 Yj
The only way my Yj starts is I give power to my solenoid the ground is good on it but theres no power. I checked all fuses, relays. And changed crank sensor. I did a restore and I was putting all the wires back and now she will crank and start but only if I give it power to the solenoid.
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Old 07-17-2012, 01:44 AM   #8
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Quote:
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Ok to clear up.
95 2.5 Yj
The only way my Yj starts is I give power to my solenoid the ground is good on it but theres no power. I checked all fuses, relays. And changed crank sensor. I did a restore and I was putting all the wires back and now she will crank and start but only if I give it power to the solenoid.
But in your picture, it LOOKS like your putting power to your COIL, not a solenoid.....
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Old 07-17-2012, 02:27 AM
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My bad I ment coil
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Old 07-17-2012, 02:30 AM   #10
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OK, so what feeds power to your coil?
Ballast resistor through the ignition.

So............
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Old 07-17-2012, 02:33 AM
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Not sure what u mean?
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Old 07-17-2012, 11:03 AM   #12
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Wow, that was rude! A lot of us get on public forums because we are good with our hands, but yet don't know it all. Its nice to pick someone brain about a problem such as this and not have to pay $65+ an hour for a mech. for something that could be a simple $20 fix.

Vaccarothetank112, sorry I cant help. I'm pretty new to the jeep and this forum. But thanks to this forum I'm learning more and more every day! Thanks to all that participate and help us newbies out!!
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Old 07-17-2012, 11:09 AM   #13
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OK, so what feeds power to your coil?
Ballast resistor through the ignition.

So............
Plus, you could have a bad ignition switch. They are known to fail after a ton of use.
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Old 07-17-2012, 11:10 AM   #14
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Keep in mind people that not everyone is born with an infinate amount of mechanical knowledge, if the only thing you can add to this thread is a smartass posts, don't bother to post.
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Old 07-17-2012, 02:21 PM   #15
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I'm beginning to think the ignition switch might be the problem with my yj sounds like issues you're having. I agree with what the mod says. I'm learnig a lot about yj's here and salute those who offer sound advice..Driller
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Old 07-17-2012, 02:35 PM
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Thanks all but when I turn the key and try to start it only works when I put a jumper wire on the coil. The ignition works thou
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Old 07-17-2012, 02:55 PM   #17
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Could there be a bad connection in the ignition switch thats not sending power to the coil?
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Old 07-17-2012, 04:07 PM   #18
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OP, please be patient, trying to read your statement as a sign for help is difficult, you never really asked a question, but I did see it as one.

2 things you will want to check, the ballast resistor, and ignition switch, check all the wires between those devices, and if they are good (use a GOOD meter, the Harbor Freight special can be incorrect) check voltage before each component, after each component, and look for voltage drops (a 2-3V drop at the balast resistor is normal, and supposed to be there, any more and you have a problem), if excessive resistance is in one component it can lower voltage enough to cause the coil to not work.
FYI: your jumping 12V directly to the coil can cause it to burn out, the coil is designed to work best around 9V (this is what the ballast resistor is for).

Check your fuseable links (if you have them), and if any are stretchy or broken, replace them.

The ignition switch is attached to your steering column, the ballast resistor is attached to your firewall (I think).

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Thanks all but when I turn the key and try to start it only works when I put a jumper wire on the coil. The ignition works thou
Just because the switch seems to work, doesnt mean its all working, there are separate circuits in there that do different things, send power to different places, just because the switch causes your engine to crank, and your MIL illuminates, doesnt mean its feeding power to your coil circuit.

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Keep in mind people that not everyone is born with an infinate amount of mechanical knowledge, if the only thing you can add to this thread is a smartass posts, don't bother to post.
Sorry, I do tend to get carried away, and I do hold to the belief that if you dont know what you are looking at, you shouldnt be working on it

I do understand that there is a learning curve, and tend to forget I have been doing this for 20+ years, and have knowledge that (mistakenly, to me) should be common. After reading through thousands of diagnostic trouble trees, common sense changes compared to someone who is just learning.


Question for anyone, do you have a wiring diagram for his ignition system? focusing between the ignition switch and coil. I do not.
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Old 07-17-2012, 09:42 PM   #19
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Quote:
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Keep in mind people that not everyone is born with an infinate amount of mechanical knowledge, if the only thing you can add to this thread is a smartass posts, don't bother to post.
What if we're really good with smartass posts--then is it permissible?

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