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post #1 of 20 (permalink) Old 07-10-2018, 07:35 AM Thread Starter
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Join Date: May 2013
Location: Stafford VA
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Model year: 2007
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Power-Train: 5.7L V-8 Hemi
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07 Commander Hemi

I just did a motor swap at 141,000 miles after the valve seats dropped and ruined my Hemi. I now had the intermittent starting problem that I did not have before. I cut back the yellow wire and replaced the female end. Still have the problem. Any ideas? I have one connection that I don’t have hooked up, can’t seem to find where this plug goes. Any help?
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post #2 of 20 (permalink) Old 07-10-2018, 08:50 AM
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Quote:
Originally Posted by Csykes309 View Post
I just did a motor swap at 141,000 miles after the valve seats dropped and ruined my Hemi. I now had the intermittent starting problem that I did not have before. I cut back the yellow wire and replaced the female end. Still have the problem. Any ideas? I have one connection that I donít have hooked up, canít seem to find where this plug goes. Any help?
@Csykes309;

I've said many times - I'm no mechanic and I do not have a Hemi.

The first question I would ask you in an effort to try and help is - Where is that connection that is not hooked up originating from?


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post #3 of 20 (permalink) Old 07-11-2018, 04:55 AM
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Join Date: May 2009
Location: Cleveland TN
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Where abouts is that plug? Can you trace it to its other end?
Is there a cable plugged in the back of the ignition switch? - there is a cable to the ignition switch from the trans or shifter see this picture.
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06 Commander Limited Hemi - QDII,
Past -89 Comanche, 98 Grand Cherokee (2WD), 2000 Cherokee, 05 Grand Cherokee Limited 4.7
Had to replace the brakes - they opened more gas stations in town
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post #4 of 20 (permalink) Old 07-11-2018, 05:14 AM
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Join Date: May 2009
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OK figured out your picture is inside the engine bay by the steering shaft. Looks like an injector plug. Take off the engine cover and there should be 3 others on that side that look just like it, probably for the back cylinder on driver side.

06 Commander Limited Hemi - QDII,
Past -89 Comanche, 98 Grand Cherokee (2WD), 2000 Cherokee, 05 Grand Cherokee Limited 4.7
Had to replace the brakes - they opened more gas stations in town
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post #5 of 20 (permalink) Old 07-11-2018, 05:29 AM
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Join Date: May 2009
Location: Cleveland TN
Own a Commander?: Yes
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Power-Train: 5.7L V-8 Hemi
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Quote:
Originally Posted by Csykes309 View Post
I just did a motor swap at 141,000 miles after the valve seats dropped and ruined my Hemi. I now had the intermittent starting problem that I did not have before. I cut back the yellow wire and replaced the female end. Still have the problem. Any ideas? I have one connection that I donít have hooked up, canít seem to find where this plug goes. Any help?
Yellow wire ? Where is the yellow wire. When it doesn't start does it crank and not fire? or doesn't crank?

06 Commander Limited Hemi - QDII,
Past -89 Comanche, 98 Grand Cherokee (2WD), 2000 Cherokee, 05 Grand Cherokee Limited 4.7
Had to replace the brakes - they opened more gas stations in town
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post #6 of 20 (permalink) Old 07-11-2018, 09:35 AM Thread Starter
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Join Date: May 2013
Location: Stafford VA
Own a Commander?: Yes
Model year: 2007
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 141300
Posts: 11
Drivers side near firewall, close to steering column. 4 pin plug and I donít see where it should hook up to. ( green wires) I was thinking maybe it was for an option I donít have.


The yellow wire I was referring to goes to the starter solenoid. I get a clicking when turning the key, but no start. I know it is not the starter because I can start the engine by bypassing the starter relay. Something in the cpu is not Allowing the engine to start every time. The problem is intermittent. All cylinders are firing so I know the unhooked connection with green wires is not for the ignition system. I have seen many posts where people had problems with a corroded yellow wire in the starter solenoid. I replaced the connector ( yellow starter wire) and it did not fix the problem. Some say to replace entire wire up to he harness due to corrosion. That is my next step.

I was just wondering if anyone had any wiring knowledge of the plug I posted with the green wires near the steering column in the engine bay behind the front left tire.


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post #7 of 20 (permalink) Old 07-11-2018, 09:43 AM Thread Starter
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Join Date: May 2013
Location: Stafford VA
Own a Commander?: Yes
Model year: 2007
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 141300
Posts: 11
OK figured out your picture is inside the engine bay by the steering shaft. Looks like an injector plug. Take off the engine cover and there should be 3 others on that side that look just like it, probably for the back cylinder on driver side.

The injector plug is only 2 pins, this one has 4. I have 2 commanders so I am going to take the other one apart this weekend and see what that one has. Both are Hemi Limited so they should be the same. Thanks for all then quick responses. Donít know if anyone else has had a valve seat drop on a 4x4 but replacing the long block was a bunch of $. Word of warning, do not run a gen III Hemi (03-08) hot or you will have a problem like I had. Bad engineering on the top end of that motor. You can bullet proof the motor for a few grand, well worth it in my opinion. If you hear the Hemi Tick , donít drive it very far.


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post #8 of 20 (permalink) Old 07-11-2018, 03:03 PM
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Join Date: Jul 2018
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How about the range sensor? When this happens, will it crank if you shift it into neutral?

Also, you where is the click coming from? Starter or the relay block?
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post #9 of 20 (permalink) Old 07-11-2018, 03:05 PM
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If it's coming from the starter itself, you might have a loose ground to the engine, which is possible being you just had the engine swapped out.
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post #10 of 20 (permalink) Old 07-11-2018, 04:56 PM Thread Starter
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Join Date: May 2013
Location: Stafford VA
Own a Commander?: Yes
Model year: 2007
Trim Package: Limited
Power-Train: 5.7L V-8 Hemi
4WD
If 4WD - system: QD-II
Current Mileage: 141300
Posts: 11
That could be, checked the grounds and they are all good. The click comes from the starter. I took off the cap on the starter relay and if I hit the plunger and close the circuit manually in the relay, the starter turns the engine over. This leads me to believe the problem is before the relay somewhere, or the cpu doesnít like to voltage or impedance in the system. That takes me back to corrosion on the yellow starter wire.


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