Question about 1999 Jeep Grand Cherokee

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I GET THE CODE P 1594 ON A 1999 GRAND CHEROKEE

THE RADIO SOUND WITH STATIC OR NO SOUND AT ALL, AND THE MILAGE LIGHT TURNS ON & OFF.

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If the radio turns off and possibly a check engine light, check your ignition switch. if your car things its not suppose to be on the radio will cut off and you will loose everything the ignition turns on. i.e. radio, dash board lights will be illuminated, and at sometimes the car wont even start if you try to turn it on. its a big problem with honda pilots so give it a shot. best bet bring it to a shop to get it inspected, that will be 99$ however when the problem is found fix it your self this will save you at least $200. sometimes you need to pay a little to save a lot :)

Posted on May 16, 2014

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Check your battery and alternator connections and unhook any aftermarket audio equipment. Also check the charging voltage, it should be around 14-14.7

Posted on May 16, 2014

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The P1594 means that the battery voltage sense input is above the target. This is most probably a problem with the alternator. I would take it to a shop where they can test the alternator for you.

Posted on May 15, 2014

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Posted on Jan 02, 2017

Caesarfix
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SOURCE: 2000 grand cherokee gas milage

Wide tires make less gas millage, get narrow wheels, let the car accomplish speed slowly from 0 to 30, look at air filter,if shortly replaced, oxygen censor, 15 miles is normal 16 miles per gallon is good for a V8

Posted on Jan 24, 2009

  • 14036 Answers

SOURCE: No FM radio; only AM

check antenna make sure its tight and connected.

Posted on May 17, 2009

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SOURCE: My 1995 jeep grand cherokee interior lights flash,

Lots of the older Jeeps have wiring problems. Most of the problems were caused by a really crappy block connection on the firewall behind the engine. The terminals in the connection block were very very small and failed to connect well. I have removed several of these and put individual connectors on each wire. (pain in the ****) Your problem may be related to this. In any event you have a wiring problem and you're going to have to trace it down with a multimeter wire by wire. With so many things mentioned I tend to think it is a bad ground so check the ground wires first from the fuse box to the end connection.

Posted on Dec 30, 2009

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SOURCE: faulty radio,after changing the integrated circuit

try here

www.ukbookshelf.co.uk

Posted on Mar 26, 2010

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SOURCE: 1998 grand cherokee, radio nwill not work with key

wires are crossed in back of radio.

Posted on Feb 13, 2011

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