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Old 04-22-2013, 01:27 PM   #1
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Question Fuse confusion

My 2004 sport battery started going dead.
Battery is OK so I measured the current draining the battery with everything off and it was about 1.5 amps.
I started pulling fuses and finally found the circuit at fault.
My service manual says it's for the ABS circuit.
I find no evidence that this rig has ABS.
I left the fuse out, get a little "NO FUSE" warning, but all system are go.
Any thoughts?

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Old 04-22-2013, 02:14 PM   #2
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Are you the first owner? mine doesn't have ABS and those fuse spaces are empty. Maybe a PO used one of those spaces to fuse something else. External lights, audio, winch, etc . . . .

that's my guess.

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Old 04-22-2013, 02:44 PM   #3
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That may be the situation.
I bought it used and it has an after market alarm/remote start system.
I never use it so I'll check that, but that doesn't explain the "NO FUSE" alarm.
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Old 04-22-2013, 03:06 PM   #4
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What fuse # is it that you pulled? PDC or fuse block?
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Old 04-22-2013, 03:07 PM   #5
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Do you mean "no fuse" in the instrument cluster display? Mine did that when I blew the accessory fuse. I guess it does it for the other fuses too maybe.
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Old 04-23-2013, 11:18 AM   #6
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The diagram on the fuse box, the actual fuse block and the service manual don't agree on much of anything.
My best guess is that it is #28 but I see reference to a "spare" close by that would seem more likely.
I have determined that it is not the after market alarm/remote start devise.
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Old 04-24-2013, 01:08 AM   #7
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Is it a 10a fuse? if so it is #26. That is for the under hood light (which comes on when you open the hood) & the courtesy/dome lights & power to the cluster & data link. Make sure that you unplug the under hood light or remove the bulb or you may be seeing it's draw since you have the hood open when checking. If that is the only excessive draw then maybe that light is not going off when you close the hood & the cause of the battery running down. Also make sure the courtesy/dome lights are turning off when you close the doors.
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Old 04-24-2013, 08:36 AM   #8
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It was a 10amp fuse and the first thing I tried was removing the under hood light bulb.
I'll look into the courtesy light circuit.
Thanks
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Old 04-24-2013, 12:12 PM   #9
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Just curious, how old is your battery and are you having starting issues? Did you have it loaded tested and clean/retighten the terminals?
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Old 04-24-2013, 12:15 PM   #10
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All the wires on that circuit are pink/white & if the courtesy/dome lights are not staying on when the doors are closed then there are a couple of other places that there are wires that may not be being used that maybe have had something tapped into them. There is the compass/temp mirror that if not equipped still has a pigtail under the dash & then there is a wire for the locker switch on Rubicons that may be behind the switch panel on non-Rubis.
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Old 04-25-2013, 09:48 AM   #11
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Battery is about a year old and was load tested. No starting problems since removing the fuse.
I think we have isolated the problem to the interior light circuit so I have some circuit tracing to entertain me.

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