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will a 2WD ECU work on a 4x4 tracker?

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Offline Festiva

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will a 2WD ECU work on a 4x4 tracker?
« on: November 24, 2005, 07:26:20 AM »
Hi fellas, will a 2wd ecu work in a 4x4 track/kick?
        thanks for your help!
           
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Offline wildgoody

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Re: will a 2WD ECU work on a 4x4 tracker?
« Reply #1 on: November 24, 2005, 07:30:54 AM »
As far as I know the computer
doesn't know if the truck is 4WD
or 2WD

I think the body wiring harness lights
up the 4WD and 4Lo indicators
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Offline zaggy

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Re: will a 2WD ECU work on a 4x4 tracker?
« Reply #2 on: November 24, 2005, 07:52:09 AM »
AS usual...

     Wild is right....the ECU doesn't care as long as it is for the right year range, engine, transmission.

Zag
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Offline pcguy

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Re: will a 2WD ECU work on a 4x4 tracker?
« Reply #3 on: November 24, 2005, 07:54:48 AM »
I see a lot of people around the web talking about repairing the ecm by replacing the capacitors. Is this a good thing to perform on a vehicle with a functioning ecm, or is it best to wait for it to fail? seems like an easy operation if you are able to solder reasonably well?
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Offline wildgoody

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Re: will a 2WD ECU work on a 4x4 tracker?
« Reply #4 on: November 24, 2005, 07:59:33 AM »
If you have a functioning ECU, and it is one
that is prone to Capacitor failure, you might
want to replace them before they fail, also
keep in mind the Caps don't fail and then the
ECU stops working, rather they fail, leak their
acid onto the board, and then eat thru the
copper circuit traces, that's when the ECU fails,
500 miles from home on a level 4 rated trail  ;)

Wild
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Offline mrfuelish

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Re: will a 2WD ECU work on a 4x4 tracker?
« Reply #5 on: November 24, 2005, 01:55:32 PM »
Hey wild thats only for jeeps that are trail rated, I have not rated mine yet so I can go where I want to.  ;D
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Offline pcguy

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Re: will a 2WD ECU work on a 4x4 tracker?
« Reply #6 on: November 24, 2005, 02:55:36 PM »
Which years are prone to failure of the capacitors?
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Offline wildgoody

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Re: will a 2WD ECU work on a 4x4 tracker?
« Reply #7 on: November 24, 2005, 07:12:04 PM »
I hear 89 to 95, but the guys that
have had failures might chime in
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Offline brlj

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Re: will a 2WD ECU work on a 4x4 tracker?
« Reply #8 on: November 24, 2005, 07:16:04 PM »
Anyone got a diagram on what to replace? Part #?

Bill
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Offline mrfuelish

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Re: will a 2WD ECU work on a 4x4 tracker?
« Reply #9 on: November 24, 2005, 08:24:46 PM »
It's just the capacitors in there if there not leaking, mine where black and silver looks like a small camera battery, not hard to change just keep yourself grounded all the time. http://www.ecmtogo.com/HelpfulLinks.htm just incase.
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Offline Rhinoman

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Re: will a 2WD ECU work on a 4x4 tracker?
« Reply #10 on: November 25, 2005, 04:51:36 AM »
There are a lot of variables that define the capacitor life. Running with a shot battery or alternator can have a bad effect on the caps. Temperature extremes will also effect them. I would say that if the ECU is over 10yrs old then it would be worth replacing them as a matter of course. Ensure that the caps you replace them with have equal or greater temperature and voltage ranges or reliability will suffer. If you don't have good soldering skills or an earthing strap then get a radio or TV repair shop to do the job. They will charge by the hour, an ECU repair shop will charge a flat rate that will be much more expensive.
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