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brownjeff, ASE Certified Technician
Category: Jeep
Satisfied Customers: 13886
Experience:  17 years experience, ASE certified, dealership certified, Service Manager for 15 years,
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99 grand cherokee: dead battery..jump truck wont..gauge reads

Resolved Question:

99 grand cherokee dead battery, jump truck wont stay running. battery gauge reads 14 volts do not know how old battery is. will start as soon as you let off gas shuts off
Submitted: 5 years ago.
Category: Jeep
Expert:  brownjeff replied 5 years ago.
Hello and Welcome to JustAnswer,

My name is XXXXX XXXXX I am here to try and assist your with your question. If having to jump start to get it started and then wont stay running and getting 14 volts then I suggest replacing the battery as a bad battery will cause this problem as even though the charging system is working the battery is taking all the voltage and not enough left for the vehicle to stay running
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