Question about 1999 Jeep Grand Cherokee

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Electric fan stayed on last night after returning home , the jeep wouldn't start , jumped it with a starter box an it died as soon as i took my foot off the accelerator

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Your Radiator fan relay is bad- the computer dies on this model alot. you can access it under the Passenger headlamp it is a bad location and you have to cut a little hole in the plastic after the headlamp is removed- Don't by aftermarket parts I was told they wreck the computer- not sure about that- but just to be sure by mopar parts.

Posted on Feb 03, 2010

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That's because the battery was too dead to maintain operation you need 9 volts at the battery for the computer to run the injectors,the alternator was dumping all it could into the battery to revive it.and at idle it just wasn't enough. seems like you have a bad fan relay and a very dead battery. hope this helps you.

Posted on Feb 01, 2010

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Posted on Jan 02, 2017

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2 Answers

My 1996 jeep grand cherokee has started needing a jump to get started about once a week.. had the alternator and battery tested, both are good. 2 nights ago it wouldnt start, so I got a jump and drove it...


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2000 grand jeep cherokee limited 4.7 liter, v8, at first wouldn't start rplaced battery because dead and then replaced starter. ran ok for a couple days. last night started it and hard time with it...


Hi
Pop into to your local garage and have a diagnostic test carried out.
Listen to the advise given. It may save you lots of money, especially if you start the "guessing" game.
It does sound like a part may be blocked or failed though, but the sytem needs to be tested thoroughly first.
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Apr 24, 2017 | 2000 Jeep Grand Cherokee

1 Answer

Wont Crnk


did ya get it goin???? havent heard from you???????

Oct 26, 2008 | 1995 Jeep Cherokee

1 Answer

Wont Crank


It's probably one of these:

1.NSS- (Neutral Safety Switch)
2.CPS- (Crankshaft Position Sensor)

**Look here-
CPS 1/2 way down..
http://www.lunghd.com/Tech_Articles/Engine/Basic_Sensors_Diagnostics.htm

**And here-
NSS.. .
http://www.cherokee-jeep.com/1-2swremov.htm

Oct 24, 2008 | 1995 Jeep Cherokee

3 Answers

Wont Crank


im thinking its the starter..i would take it out and brin it into like an autozone they test them for free..

Oct 24, 2008 | 1995 Jeep Grand Cherokee

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