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2002 Town Country w/ code p0204 ... help!
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 11, 2015, 6:18 PM
Post #26 of 50
(722 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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I'm sorry, I got that backwards. It's the other way around. Brown/white is the power feed and brown/tan is the pulse.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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tobycatt95
User
Jun 11, 2015, 6:23 PM
Post #27 of 50
(719 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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Ok... That's ok! I have you all confused...lol! We didn't know if it was ok there at first to test the ground wire with our test light. That is what we were asking in all those questions, I guess. Before we had only tested the brown/white wire, we hadn't even tested the brown/tan ground...
But we just did it. And here is what we have.
Brown/White - Test light on when van running
Brown/Tan - No light at all
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 11, 2015, 6:27 PM
Post #28 of 50
(718 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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OK, we took the long way around but it looks like that brown/tan wire is broken somewhere between the computer and the injector.
If you can't find the bad spot, you can always cut it at both ends and lay a new wire. Just make sure the connections are soldered and heat shrinked. Hide the wire in the harness casing the best you can. It would be better to find and repair the actual break though.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Jun 11, 2015, 6:28 PM)
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tobycatt95
User
Jun 11, 2015, 6:37 PM
Post #29 of 50
(714 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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OMG!! You are fantastic! Sorry I took you the long way around! I sure do appreciate you hanging in there with me! Wiring is just not his thing. And I don't know anything about it. But with you, look at us go! We are going to find our problem! I have great confidence. Hubby is pulling the harness right now. We will give a good solid inspection & see what we find. We will try to repair the bad spot... that will require my dad again. He is the master solder guy & if we find it, he can fix it up! Will post again when we have news! We will most likely call in a night here pretty soon, but will be back tomorrow! Thanks so much again. And I sure am serious about that beer!
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Discretesignals
Ultimate Carjunky
/ Moderator
Jun 11, 2015, 6:38 PM
Post #30 of 50
(710 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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By the time you mail that beer to him, it will be warm...LOL
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 11, 2015, 6:40 PM
Post #31 of 50
(709 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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I'm a long ways from Iowa here in South Florida.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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tobycatt95
User
Jun 14, 2015, 9:47 AM
Post #32 of 50
(691 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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Morning to everyone. Well, we're in a bit of a pickle here. We ended up running a new wire from the injector 4 harness connection all the way to the pcm (replaced the brown/tan wire) We cleared the codes from computer & started the ole girl up. No change! It is still missing. We ran codes again & now, not only do we have p0204 open injector code, we also have for added fun, the p0206 code. Before, the #6 injector seemed to be working just fine. The noid light flashed in it. When we tested the brown/white wire, it had juice. When we tested the ground wire in #6, it flashed on & off, like it was supposed to. We are confused! My hubby is outside (swearing like a sailor) and checking the olms resistance between the ground wires on all of the injector harness connections. He has unplugged that big 30 pin connector from the computer & each injector harness plug end... all of them read between 0 olms & 0.4 olms. In the earlier posts that I went back & reread, since all of them are under 100k olms, then all of them have a short?! Is that right? Again, I am not skilled at this whole electricity thing... our neighbor was outside & asked about our issues & when we were explaining stuff, he questioned that we should be getting a low reading on the ground wires, beings they aren't hooked up to anything. But not a one of us are what you would call "qualified" at wiring! Ahhh... we are super confused! Why would we have 2 error codes now?! Is the whole wire harness just shot? Is every ground wire having a short - they all read very low olms on the meter when they are not connected to the computer. Or is it a computer issue?! We don't know.... (I was so hopeful! I figured we about had it licked) Btw, that beer will still be coming! You have a paypal account? I'll send you enough for a case!!! ;-) Thanks for fumbling through with us! What a chore this is! Do we need to start testing all over again? Where do we go from here?! THANKS!!!!
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 14, 2015, 9:52 AM
Post #33 of 50
(690 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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I'm suspecting he may have cut the wrong wire and killed a second injector instead of fixing one.
It's always possible the injector driver in the computer is burned out but that is highly unlikely. My money is on thew wrong wire got cut at the computer. Did you use an ohmeter to verify continuity?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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tobycatt95
User
Jun 14, 2015, 10:04 AM
Post #34 of 50
(686 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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I will go get him... He & dad replaced the brown/tan wire connected to pin 16 (I think) on that big plug to the computer. I will have him make sure that is the correct wire. It should be, right?! And I do believe he tested with the olms. He is getting low readings, I think. Let me go talk to my swearing sailor & I will get right back with you! Thanks Hammer Time! I hope we did something stupid & it won't be so bad to fix!
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tobycatt95
User
Jun 14, 2015, 10:37 AM
Post #35 of 50
(683 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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Ok, he double checked & showed me that the brown/tan wire going into the pin 16 area is the one they spliced in. And because we just got so excited to try it out, we didn't check it before putting it all back together... dumb probably! Because we are only getting a 0.4 reading on the olms meter now. Which means that it is still shorted out?! He is testing that brown/violet wire too, that is the ground wire in #6. And we think it goes to pin 14 on that big pcm connector. We get 0 olms there! 0! The meter doesn't even bounce around or anything... nothing! When they replaced the brown/tan wire, they left about an inch or better on each end, enough to rewire again if necessary. Could it be that the wire is bad somehow in each of the little ends that weren't replaced? Or can they be "Bad" inside the actual connector ends? Like, up inside the big connector part that clips to the computer and/or the injector plug? And why wouldn't we get any reading from the #6 ground wire? Before when we had it all hooked up & tested it, it was flashing away with that noid light. Of course, to test that again, we would have to put it back together & rent that noid light again... which we could do! Or... Would the brown/tan ground wire somehow NOT be the brown/tan wire at pin 16 on the pcm side? It has to be right? We are getting a small reading though that (small indicates a short) So if he only cut & replaced 1 wire, it didn't fix the "issue" and actually CAUSED another injector to be dead... oh my, this is where things get all jumbled up in my non-electrical head! I just can't "see" it, ya know. I am so visual! Does any of this help??
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 14, 2015, 10:57 AM
Post #36 of 50
(680 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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I'm not there. I can't tell you what went wrong but obviously something did. You created a new problem by replacing an existing wire so it's pretty apparent something else happened in the process. He needs to go back and check everything and make sure he didn't break any more wires or damage any pins in the plug..
When you are testing for continuity on a wire, very low resistance is what you are looking for. Just make sure it's not connected to anything when you are testing it.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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tobycatt95
User
Jun 14, 2015, 1:46 PM
Post #37 of 50
(668 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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Boy do I wish you were here...lol! We just rewired all of the grounds on every injector. We even redid the original #4 ground wire too. Now we are back to just a code p0204 - injector 4 open. Hubby did the olms test on them & they all test low olms, which would indicate there is still a short. Every one tests low. Like 0.4 & 0.5. That is with the big 30 pin connector unplugged & the injector harness unplugged. Just from one end of the wire to the other... really. When he does the "sound" signal for continuity, they all beep too. So maybe we just SUCK at sticking wires back together?! We will probably do all the tests again... noid light, olms tests, etc... Or We can get a used harness at the junk yard for about 100 bucks. But who knows if that will be any good. Maybe the inside will be just like ours was... And we aren't going to be able to afford a new one until we save up for a bit. So, don't know what we are going to do for now. I sure do appreciate your help though! I wish something we were doing would just work already! Maybe it will be a month long project of us rewiring the whole thing! Everything! I don't know... something is still not right with one of them. If they are all shorted out, even after we just ran new wires for each of them, would there be like one major wire that could cause the whole thing to short out? Or does it mean that each wire is shorted individually? We are such nerds about this. Thanks for your help! Sorry to keep asking you crazy questions... And thanks so much for your time! It is priceless to me!
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 14, 2015, 1:51 PM
Post #38 of 50
(666 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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You probably need to check for injector pulse at the wire coming out of the computer and make sure the computer is good.
You must have a real mess there now if you have cut every one of those wires.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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tobycatt95
User
Jun 14, 2015, 2:07 PM
Post #39 of 50
(662 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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Well, it's not as bad as you would think.. ;-) But yes, it is a sight! I ordered some of that titanium header tape on ebay - rated to like 1800 degrees F, so that if we do ever get things figured out, we can wrap things up nice & safe inside that heat resistant stuff! So to check injector pulse, do we cut the wire again & with the 30 pin connector plugged into the pcm AND the van running, test that cut wire coming out of the pcm (brown/tan ground wire) with our test light (connected to positive)? Is that how we would do that?
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 14, 2015, 2:11 PM
Post #40 of 50
(661 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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Yep, you got it
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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tobycatt95
User
Jun 14, 2015, 2:16 PM
Post #41 of 50
(658 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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Ok then... I got something ;-) I will see if I can coax my hubby back outside to do this. He is calmed down a bit now..lol! We just have to stay positive & keep plugging along, I tell him. Eventually, we will do something that helps! Right?! And if not, well, we sure are learning! No matter is it's learning what TO do or what NOT to do... it's all learning. I'll be back! Thanks!!
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tobycatt95
User
Jun 14, 2015, 2:27 PM
Post #42 of 50
(657 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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Ok, talked him into it. We snipped the #4 injector ground wire right close to the computer. We hooked that test light up (to positive) and we turned the van on. When we apply the test light to the wire coming out from the pcm, the test light comes on and stays lit. No blinking. No pulsing. Just stays lit.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 14, 2015, 2:30 PM
Post #43 of 50
(654 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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You can't just say it comes on. You light sees either power or ground. Which is it seeing? Make sure the injector is unplugged when you do this.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 14, 2015, 2:33 PM
Post #44 of 50
(650 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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Never mind, I see you hooked it up to positive. This is different from what you started with, assuming the injector was unplugged.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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tobycatt95
User
Jun 14, 2015, 2:56 PM
Post #45 of 50
(649 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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The injector is unplugged. The ground wire is cut right out from the pcm. How do I tell again...What my test light is seeing? I am sure you have explained it already, but I am not good at this... When we touch the test light to the cut wire, hanging out of the 30 pin connector at the computer/pcm, the test light inside comes on & stays lit.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 14, 2015, 3:02 PM
Post #46 of 50
(647 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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I'm not sure what to tell you here. You keep giving me different symptoms. We started with no ground signal at all on that wire and now you are telling me it's constant ground. I can't make any sense of your testing. What you're telling me now indicates a shorted driver in the computer but that is totally different from where we started out so I have real doubts about your testing at this point.
You really need to make sure you are right about which wires you are testing.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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tobycatt95
User
Jun 14, 2015, 4:08 PM
Post #47 of 50
(639 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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I'm sure it is exhausting to try & explain this stuff, which is probably pretty easy & common sense to most. I applaud your efforts to try & explain to me what to try. All I know is that when we had those noid lights hooked up, we got no light at all when we tested the #4 injector harness. And then after that, we tried to test the brown/white wire for power inside that #4 connection & the brown/tan wire for pulse ground. I think at first, we had the test light hooked up to negative when we were testing the ground pulse, which didn't work at all! I think I confused you all when I was telling you about our "steady on" test light... We hadn't even tested the ground wire yet. And when we finally did, we did it wrong. We left the test light hooked up to the negative. When we started researching a bit, we saw that we should be hooked up to positive with our test light, not negative, when we are testing the ground/pulse wire. See how not smart we are?! I don't know if I posted that to you - as far as you knew, we had no light (broken wire) -- but you had stated earlier in the posts that if our brown/tan ground wire stayed lit, it was a short to ground somewhere between the pcm & the injector harness clip. I figured since the light stayed lit when we retested it, it was still a short to ground. I figured either way, we are hunting down a broken wire or a shorted wire... so we just replaced the wire. Then we got that #6 error code too. Along with the #4. And we got flustered. So we replaced all the ground wires. Now we are just back to the 204 code - open injector. When you told us to recheck the pulse coming from the computer, we just snipped the wire & tested, we didn't unhook the actual little plug from the injector the first time - and the light stayed on. You said, it can't just say on, it has to read ground or power... and we didn't understand that. But you said to be sure that injector is unplugged... So we unplugged the injector & got the same results. The test light comes on & stays on. No Blinking. And the test light was connected to the positive terminal. We are thinking that if the computer isn't sending the signal to pulse, that is probably our problem. I think we have all the wires correct. And I think when I explain things to you (in my girly fashion) that I confuse you & don't exactly know "how" to say things. So I apologize! I was trying to explain the best I could. And you are a champ for trying to explain to me HOW to do all of this! I think we will go ahead & order a computer. They have them on ebay & can program them for us, so all we need to do when it gets here is "plug it in".... hopefully! Whew, what a mess this whole thing is! And I really do thank you so much for your knowledge & time! I know it sucks to try & explain stuff to a newbie! Especially when that newbie has NO CLUE about wires! I will post again when we get the computer to let you know if that was it. Or if it wasn't it. And if it ISN'T it... I may just shoot myself in the foot & call it a day ;-) Thanks Hammer Time! That beer is still very deserved!
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 14, 2015, 4:21 PM
Post #48 of 50
(638 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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According to your last test, that would be the right thing to do. I just hope you are right. I hate seeing computers changed for no reason.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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tobycatt95
User
Jun 27, 2015, 5:20 AM
Post #49 of 50
(625 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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Well folks, we finally got the van pcm last night (We ordered that plug & play online for much cheaper than buying a new one) Hubby hooked it up, started the van & WhaaLaa! The van is purring like a kitten! That was the problem. All those open exposed wires must have fried the pcm! And we would have never figured that out without your help! I am so grateful to you folks! It was wonderful to have someone walk us through, step by step, exactly what to do & how to do it! Thank you so much for your time & your patience! We plan to drive it today about 20 miles, out to my dad's house, just to be sure everything is running right as rain! But we putzed around town last night & everything seemed to be working just fine!!! YEA!! Anyway, just wanted to update & let you all know! THANKS A MILLION!! If I make it to Florida Hammer Time, the drinks are on us! Lol... You saved us SO much money!! THANK YOU!!!
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 27, 2015, 5:36 AM
Post #50 of 50
(624 views)
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Re: 2002 Town Country w/ code p0204 ... help!
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Wow, that's great news. I think you are right about the bare wires frying the driver so make sure you repaired them all good.
I'm going to close this now as solved. If you need it reopened just ask any Mod.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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