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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > Grand Cherokee General Discussion > New battery, Jeep won't start

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Unread 01-24-2016, 12:49 PM   #1
CarChick
Registered User
2000 WJ 
 
Join Date: May 2011
Location: Wenatchee, Washington
Posts: 45
New battery, Jeep won't start

2000 Grand Cherokee Laredo, straight 6, Automatic (not 4x4)

My Jeep was running just fine before the battery died. The warranty was up on 5/11 and we have had record snow fall here so that kind of cold can wear on a battery. My Jeep sat for only a week before getting a new battery. I tried to start it but the tank was on E. We filled up a gas can and put gas in it twice, but it still won't start. Everything is working fine, it's just not getting spark.

So my question is, are we missing some kind of reset switch or something like that? The only other possibilities I can think of is condensation that fouled up the spark plugs, or the coil?

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Unread 01-26-2016, 06:24 AM   #2
rsurran
Web Wheeler
2003 TJ Wrangler 
 
Join Date: Jun 2011
Location: Eastern Shore, Virginia
Posts: 1,027
Your Jeep should have a coil rail on one side of the motor and a fuel rail on the other. There should be a Schraeder valve on the fuel rail where you can verify adequate fuel pressure. I would check at the Schraeder valve (carefully) to see if you have fuel there and it is under pressure. Pressure should be there without cranking the engine. Use a rag so you don't spray gas all over. Another thing to try is make sure the battery is fully charged or jump it to verify a full 12v in the system. There is no reset switch. There is a relay in Power Distribution Center (PDC) called the automatic shut down relay (ASD) that is in the starting circuit controlled by the Power Control Module (PCM). The PDC is on the passenger side of the engine bay. Open the cover on the PDC to determine which relay it is. You may be able to swap it with one of the other relays to see if your symptoms change. I'm going by my memory of my 2000 XJ and my 2003 TJ so you have to verify yours is the same.
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2005 WK, 5.7L, Gold, Leather
2003 TJ 4.0L Freedom Edition, Flame Red, 5 spd., CAI, Warn, stinger, Hella/KC trail lights.

Dick Surran

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Unread 01-26-2016, 06:28 AM   #3
rsurran
Web Wheeler
2003 TJ Wrangler 
 
Join Date: Jun 2011
Location: Eastern Shore, Virginia
Posts: 1,027
Mods you might want to move this to Technical to get higher level help.
__________________
2005 WK, 5.7L, Gold, Leather
2003 TJ 4.0L Freedom Edition, Flame Red, 5 spd., CAI, Warn, stinger, Hella/KC trail lights.

Dick Surran

"When you stop contributing you are just taking up space."
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