Question about 1999 Jeep Wrangler

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A few different problems.. electrical, wont start, etc...

I just bought a 1999 wrangler 5 spd 4 cyl. completely stock. 145000 miles. not taken good care of by previous owner. 9 times out of 10 my gauges wont work (tach, fuel, temp etc.) and my radio wont work. The heater has never worked since ive had it. sometimes if I honk the horn everything comes on but its been 3 days now with me not knowing how much gas I have AND no tunes on the way to work. ALSO I went 4x4ing today and went though a huge mud puddle and my jeep just died. the water was only about 4 inches deep. I tried cranking it over but it made this backfire sound. it would crank and crank and crank but not turnover. it sounded like it wanted to turn over but couldnt quite do it. sputtering basically. So I had $100 to get it towed home. The weird thing was I thought it had overheated so i pulled off the radiator cap and the water was COLD! Not to mention if I drive over 55 mph the whole Jeep rattles badly. good thing I only paid $800 for it. What is wrong with my Jeep? Other than that stuff it runs like a champ. No tranny/clutch/motor probs at all. no leaks no strange noises. Anyone dare to tackle this beast of a question? I cant afford to pay a mechanic $50,000 to fix my Jeep. Thanks!

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Check all bat. conn. especially the grounds. give it a good t-up plugs cap rotor wires air& fuel filters the next time stalls out hold gas pedal to floor don't pump it.

Posted on Nov 16, 2008

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Hello, I'm looking for a replacement for my jeep cherokee 99, the current part number is Chysler P56041 629AD, I found a Chysler P56041 278AD, can this computer works ok with my cherokee?


THE PCM MODULE.
no country stated, the 728ad shows Europe. (why?)
"I found"

where, at ebay, at pick-apart, or ?
USA cars have 11 PCM for one engine. fact.
and 100s more world wide.
what a question, just a p/n
then you post to grand Cherokee and then text leaving out Grand.?
why?
i searched the part at jeep and is wrangle part, 629ad.

you do know that it must be reprogrammed to your car right:?
the pcms on cars can vary
by engine, trans opted , 4wd/2wd,and year.
federal PCM
Calif PCM
and mexico PCM
and 9 more. just for 1999

is yours 42RE for 45RFE?? tranny??? 30/32 RH? what?
post county (or state if calif)
post engine and year
post body and not contradict.?
post drive line, in car, tranny and if 4wd?
then we can match it up
or call jeep.com

they (jeep) will do this magical thing!
ask you the VIN.
and then look it up in their database.
and see ALL THE ABOVE even what radio is in it. of 5.
me, im a glass half full guy (hard knocks, reality stuff)
id not even believe the part in car is correct.
im too SAVVY !
i find out from jeep what it should have first.

not one matches the 4.0L in the GC.


the 629 posted shows this at jeep.com

JEEP WRANGLER 2.5L Power Tech I-4 Cyl., 3-Spd. Automatic 30RH 1998
JEEP WRANGLER 2.5L Power Tech I-4 Cyl., 5-Speed Manual 1998
JEEP WRANGLER 4.0L I6 Power Tech, 3-Spd. Automatic 32RH 1998
JEEP WRANGLER 4.0L I6 Power Tech, 5-Speed Manual 1998
(if true needs to be programmed to each)

the send number
56041 278AD

lands at.
(part not found, is this a non usa part?) im stumped

was fun to try.
but im stumped.

Mar 31, 2016 | 1999 Jeep Grand Cherokee

1 Answer

Instructions for 2006Painted Imaganirum Table Table


A.T., VIN model "C" (4x2), TH400, 6 cyl
A.T., VIN model "C" (4x2), TH400, 8 cyl, 8-305 (5.0L)
}A}}400}466495" type="radio" name="userInterchange" />A.T., VIN model "C" (4x2), TH400, 8 cyl, 8-350 (5.7L)
}A}}400}466496" type="radio" name="userInterchange" />A.T., VIN model "C" (4x2), TH400, 8 cyl, 8-379 (6.2L, diesel)
E>}B}}400}466497" type="radio" name="userInterchange" />A.T., VIN model "C" (4x2), TH700, diesel
A.T., VIN model "K" (4x4), TH400, 6 cyl
B@}}}400}466499" type="radio" name="userInterchange" />A.T., VIN model "K" (4x4), TH400, 8 cyl, diesel
A.T., VIN model "K" (4x4), TH400, 8 cyl, gasoline
A.T., VIN model "K" (4x4), TH700, diesel
FFC}B}}400}466502" type="radio" name="userInterchange" />M.T., 4 spd, 4x2, VIN model "C"
FFC}A}}400}466503" type="radio" name="userInterchange" />M.T., 4 spd, 4x2, VIN model "R"
ECB}B}}400}466504" type="radio" name="userInterchange" />M.T., 4 spd, 4x4, (VIN model "K")
M.T., 5 spd, 4x2
M.T., 5 spd, 4x4
A.T., VIN model "C" (4x2), TH700, gasoline
F=A}B}}400}466508" type="radio" name="userInterchange" />A.T., VIN model "K" (4x4), TH700, gasoline
}B}}400}466509" type="radio" name="userInterchange" />A.T., VIN model "R" (4x2)

Oct 20, 2012 | Cars & Trucks

1 Answer

What year/model transmissions will fit a 1989 GMC sierra, 2500, 350 engine, 2-wheel drive? Thanks


A.T., VIN model "C" (4x2), TH400, 6 cyl
A.T., VIN model "C" (4x2), TH400, 8 cyl, 8-305 (5.0L)
}A}}400}466495" type="radio" name="userInterchange" />A.T., VIN model "C" (4x2), TH400, 8 cyl, 8-350 (5.7L)
}A}}400}466496" type="radio" name="userInterchange" />A.T., VIN model "C" (4x2), TH400, 8 cyl, 8-379 (6.2L, diesel)
E>}B}}400}466497" type="radio" name="userInterchange" />A.T., VIN model "C" (4x2), TH700, diesel
A.T., VIN model "K" (4x4), TH400, 6 cyl
B@}}}400}466499" type="radio" name="userInterchange" />A.T., VIN model "K" (4x4), TH400, 8 cyl, diesel
A.T., VIN model "K" (4x4), TH400, 8 cyl, gasoline
A.T., VIN model "K" (4x4), TH700, diesel
FFC}B}}400}466502" type="radio" name="userInterchange" />M.T., 4 spd, 4x2, VIN model "C"
FFC}A}}400}466503" type="radio" name="userInterchange" />M.T., 4 spd, 4x2, VIN model "R"
ECB}B}}400}466504" type="radio" name="userInterchange" />M.T., 4 spd, 4x4, (VIN model "K")
M.T., 5 spd, 4x2
M.T., 5 spd, 4x4
A.T., VIN model "C" (4x2), TH700, gasoline
F=A}B}}400}466508" type="radio" name="userInterchange" />A.T., VIN model "K" (4x4), TH700, gasoline
}B}}400}466509" type="radio" name="userInterchange" />A.T., VIN model "R" (4x2)

Jan 14, 2011 | 1989 GMC Sierra

1 Answer

1994 jeep wrangler 6 cyl 5 spd no start


have u ck out the ignition switch [not the key & tumblers],, or the neutral safety switch to see if u have power ,,also seen broken wire at solenoid on starter too,,hope it helped,,

Apr 05, 2010 | 1994 Jeep Wrangler

1 Answer

Engine missfire #5 cyl. changed plugs, plug wires, replaced 2/5 coil wth known good coil. fuel pressures is within speccs. plugs were not fouled vehicle has good compression all cyls. vacumn is good and...


The only thing you didn`t mention is the ignition module.It is under the coils and that is where the coils get there power from.Replace the module and I`m sure this will take care of your problem.Hope this helps.Good luck.

Dec 18, 2009 | 2000 Pontiac Montana

1 Answer

1998 wrangler 4 cyl 110,000 miles. The engine


quite possibly it may be taking a little while to build fuel pressure. next time try cycling the key on and off 3 or 4 times with out cranking the vehicle to allow the pump to build pressure the try to star it up if it starts right up then your problem is it's just taking time to build pressure

Oct 19, 2009 | 1999 Jeep Wrangler

1 Answer

Two front cylinders are low


If your going to chg. head gasget, as long as you got the head off you would be smart to have a valve job done too. That could be why you lost compression in the 2 cyls. burnt valves will cause loss of compression. But take note if you elect to have a valve job done you also run the risk of it to start useing oil because of the increase in compression on the oil rings with that many miles it can happen.

Mar 19, 2009 | 1991 Jeep Wrangler

2 Answers

1999 Nissan Maxima #5 cyl. misfire


you need to replace the coil pack on cyl 5 . it wont happen noticeable in neutral because their is no load on the motor.

Mar 10, 2009 | 1999 Nissan Quest

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