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Christal Gordon

Christ ... 11/17/2017

2001 Jeep Grand Cherokee Laredo 6 Cyl 4.00L

Engine

jeep wont start only when audio system is hooked up

So I got a new starter and a battery for my 2001 Jeep Grand Cherokee Laredo. My battery is from a friend and my capacitor for my system reads 13.8 for the battery. (the old one was 12.4) It started perfectly fine until I hooked up my amp and speakers. When we hooked the system back up it had a rough idle and acted like it wanted to stall. We disconnected the wire and it ran fine again. So we cleaned the ground under the hood and ran a new ground from the system, then hooked the system back up. I started it twice acted fine no rough idle or anything. It started right up both times. After I took someone home and went to the gas station and it was running fine. Idle was normal, drove it for 20 minutes. After I got gas it didn't want to start again. Just kept clicking each time I turned the key. I disconnected the system from the wire in the back and still didn't want to start. It only started when I got a jump.
When I got home I turned it off and about 30 minutes later I tried starting

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