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Search: Posts Made By: Airborn44
Forum: Grand Cherokee - WJ 08-28-2013, 10:09 AM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Hello again...NEWS!

The refurbished PCM from Auto Computer Exchange arrived today and it works!! Also replaced the alternator with one from the junkjard. I did not try and run the car with the old...
Forum: Grand Cherokee - WJ 08-24-2013, 09:15 AM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Yeah the PCM is probably toast. The newspaper might be Swedish in fact as I have family there but no I live in Italy north of Milano.
Forum: Grand Cherokee - WJ 08-24-2013, 01:25 AM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Well Frank here you go,

I didnt want to open it up any more as i might have to try and reuse it if I dont get a new one...contactspray or so??

you can see corrosion on the right upper corner...
Forum: Grand Cherokee - WJ 08-23-2013, 11:51 AM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Hi Frank,

The PCM consist of an aluminium "rack or frame" and a thin folded aluminum plate that has been slided on the rack/frame with some glue/seal around and then a few attachment screws. ...
Forum: Grand Cherokee - WJ 08-23-2013, 10:08 AM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Hello everyone,

Well i have ordered and waiting for a refurbished and reprogramed PCM. I also bought a "new" generator and will replace them both and see how it goes. The parts should arrive on...
Forum: Grand Cherokee - WJ 08-22-2013, 10:45 AM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Hello again!

Just ben on the phone with them in the US and asked about the SCIM programing.

What they do is exchange your unit for a recycled unit. I had to give them my VIN number and part...
Forum: Grand Cherokee - WJ 08-22-2013, 01:58 AM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Well I got the oval gray/beige one. Car is from 2000. Slight problem however....if you look at the pictures earlier in this thread you will see how the PCM looks. I was totally coroded and the...
Forum: Grand Cherokee - WJ 08-21-2013, 05:55 PM
Replies: 39
Views: 1,630
Posted By Airborn44
Question Re: HELP! Engine/Grounding problems.

Thanks for the info Frank, I will email the company in the US and attach your text. I can find it at a junkjard here but it is 410:-USD and then I have to bring it and the car (towing) another 50km...
Forum: Grand Cherokee - WJ 08-21-2013, 04:04 PM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Yeah Frank....it was a deep sea mission indeed. I find it amazing that the car worked at all really.

I have found a company in the US that will send me a new box based on part number and VIN code...
Forum: Grand Cherokee - WJ 08-21-2013, 01:01 PM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

So folks its finally out...the PCM that is...corrosion like hell with one corner open and some corrosion on the inside at the bottom below the corroded corner....better start fishing for a new/second...
Forum: Grand Cherokee - WJ 08-21-2013, 11:20 AM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Well I am back already...I figured Ill take the generator apart and meassure the rectifier. Said and done it all looks normal to me, all diods only letting current through in one direction and all...
Forum: Grand Cherokee - WJ 08-21-2013, 03:33 AM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Hi Frank,

Unfortunately I have a Bosch generator (alternator)...its soldered. Just ordered a second hand alternator on the web with delivery within 3 days so I guess ill get it monday or so. 150...
Forum: Grand Cherokee - WJ 08-21-2013, 01:06 AM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Hello again, I am heading off to the generator store today, will either get a new recifier unit if I dare soldering that myself....never did that. Or Ill just try and get a replacement generator,...
Forum: Grand Cherokee - WJ 08-20-2013, 02:11 PM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Hello Frank,

Just back from my garage, I took the alternator out and cleaned all the connections and contactors. Then I put it back and started the engine without the B+ cable attached. Everything...
Forum: Grand Cherokee - WJ 08-20-2013, 10:36 AM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Yep Frank!

Its the alternator output messing with the computer. I removed the cable and the car started and run perfect, a little bit unstable idle with a tendency to stall in the begining and...
Forum: Grand Cherokee - WJ 08-20-2013, 08:01 AM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Hello again Frank,

I was actually thinking the same as you now suggest and mainly because of the high voltage peaks from the alternator. i called Crysler today to try and get some info out of them...
Forum: Grand Cherokee - WJ 08-20-2013, 02:14 AM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Hello Frango and Istowell!

Thanks a million for all suggestions. I have tried it all and this is the outcome:

1. The keydance gives only the indication: Done

2. The other Indications is a...
Forum: Grand Cherokee - WJ 08-19-2013, 04:37 PM
Replies: 39
Views: 1,630
Posted By Airborn44
Re: HELP! Engine/Grounding problems.

Thank you ever so much Frango. I will have a look at it more seriously. I did remove the connector to the PCM and put it back but no improvment. Does the PCM need to be connected to ground...could...
Forum: Grand Cherokee - WJ 08-19-2013, 03:55 AM
Replies: 39
Views: 1,630
Posted By Airborn44
HELP! Engine/Grounding problems.

Hello all, Hope someone can help me out here as I am stuck.

I serviced my Grand Cherokee 4.7 lit V8 a few weeks ago by changing oil/filter, sparkplugs and did an external enginewash (no...
Showing results 1 to 19 of 19

 
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