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Old 09-06-2014
frodog  frodog is offline
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Default 07 jk stopped, now wont crank
Yesterday whilst out wheeling my 3.8 jk, the vehicle seemed to stall whist sliding attempting a climb. The traction control chimed, jeep stopped and now wont crank. There is no signal to the start relay or motor, battery voltage is good, no blown fuses i can see.

The vehicle stopped once before a month or so ago and had blown fuse M28 NCG/trans feed. The rated fuse was a 10amp but there was a 30 amp fuse in its place (have recently bought this jeep) i replaced the fuse with a 10 amp fuse, which blew when i tried to start the car, i replaced with a 30 amp fuse and car started and hasn't had a problem since. Thinking there may be a traction control problem that caused the blown fuse. Putting in a 30 amp fuse may have damaged something else (ecu or TICU)?????

any ideas????

any ideas where i can find a wiring diagram online????
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Old 09-06-2014
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muddy  muddy is offline
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Quote:
Originally Posted by frodog View Post
Yesterday whilst out wheeling my 3.8 jk, the vehicle seemed to stall whist sliding attempting a climb. The traction control chimed, jeep stopped and now wont crank. There is no signal to the start relay or motor, battery voltage is good, no blown fuses i can see.

The vehicle stopped once before a month or so ago and had blown fuse M28 NCG/trans feed. The rated fuse was a 10amp but there was a 30 amp fuse in its place (have recently bought this jeep) i replaced the fuse with a 10 amp fuse, which blew when i tried to start the car, i replaced with a 30 amp fuse and car started and hasn't had a problem since. Thinking there may be a traction control problem that caused the blown fuse. Putting in a 30 amp fuse may have damaged something else (ecu or TICU)?????

any ideas????

any ideas where i can find a wiring diagram online????
Is there a red key light on the dash when you turn it on? If yes it could be the Wireless Control Module. Try disconnecting the negative battery cable for five minutes. That'll reset the WCM and might help.
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Old 09-06-2014
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MDK  MDK is offline
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Pretty good chance. Increasing the fuse size is never a good idea for anything.

Could very well caused a wire that's shorted to have now spark eroded or melted through multiple wire insulations instead of dropping the fuse. On the up side at least your car didn't burn to the ground.
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Last edited by MDK; 09-06-2014 at 01:11 PM.
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Old 09-06-2014
frodog  frodog is offline
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Hah, i hear they burn well too. I have looked everywhere with no luck on the wiring diagram. Will have to talk to an auto sparky tomorrow i think.
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