post #1 of Old 07-09-2010, 06:34 PM Thread Starter
porforkid
Registered User
1999 TJ Wrangler 
 
Join Date: Oct 2007
Location: Slippery Rock,PA
Posts: 87
pcm swap?

my buddies 2004 tj 4.0 auto wont start and weve done just about everything to our ability to try and fix it. we think it could be a fried pcm. would it be a bad idea to try and unbolt my 99's pcm which is a 4.0 manual and put it in his to see if it would fire up or would this be a complete disaster?

porforkid is offline  
post #2 of Old 07-09-2010, 06:41 PM
Jerry Bransford
Administrator
 
Jerry Bransford's Avatar
2004 TJ Wrangler 
 
Join Date: Jan 2003
Location: Escondido, California
Posts: 64,011
The ignition system alone is way different between '99 and '04, I doubt it would work.

Getting Savvy...

When you have a choice, buy American.
Jerry Bransford is online now  
post #3 of Old 07-09-2010, 08:55 PM
kdukes4
Registered User
2004 TJ Wrangler 
 
Join Date: Apr 2009
Posts: 321
with a pcm, i think everything has to match up, even down to the vin??? i blew the voltage regulator in my '97, jerry remembers this one, long story short, i went the route of replacing the pcm after a temporary fix of putting a regulator on the alternator. anyways, i don't think you can take just any other pcm, its really got to be specific i think. i found a place in FL, i paid $180 i think, sent them my model, year, vin, trans type etc. a couple days later pcm was at the door step, two minute swap and everything was a go. just have to send them back your busted pcm and you get a lifetime warranty on the product. much cheaper than spending $700-1k at the dealership.

'04 tj, Outboarded
kdukes4 is offline  
Reply

Tags
pcm , swap , troubleshoot , fix


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Jeep Forums Replies Last Post
Another 4.0 Swap question...head swap vs. full engine swap Mol YJ Wrangler Technical Forum 11 10-18-2010 04:11 AM
Rubi swap / Axle swap (merged) tjmike TJ Wrangler Technical Forum 5 06-10-2010 01:04 PM
body swap VS motor swap questions baltimorebiker YJ Wrangler Technical Forum 9 03-29-2010 09:49 PM
Dana 30 diff. swap vs. gear swap BBCAT YJ Wrangler Technical Forum 2 02-28-2009 01:17 PM
HVAC Control Swap: Swap just the lower ac/heater housing, or all of it? Justin Brimm TJ Wrangler Technical Forum 5 12-20-2007 03:29 AM

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome