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30 amp starter fuse keeps blowing on 98 cherokee

30 amp starter fuse keeps blowing runs for weeks then blows seems like when i turn on rear window defroster it blows fuse

Posted by edger greer on

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Alex

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You may have a short (verify the integrity of the insulation of the positive wire from that fuse going to the rear window defroster, check the relay & switch.) try to replace the relay.

Posted on Oct 03, 2015

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1answer

What causes the 30 amp starter/HBL fuse to blow?

USA car?
what engine , gas or diesel.,what size is it?
where is fuse located, Green = 30amp
in the cab, no ,no 30amp in cab. so is below.
or in the PCD box under hood,
here is PDC,
here is fuse f15, which i think is HBL
diesel HBL is f15
gas HBL is f11

fuse 11 is 3 up from bottom right. gas only.
fuse 7 is 30amp too in pDC
and runs headlamp controls or DRL, got DRL
fuse 8 diesel? see fuse 7 answer gas.
in canada, they have DRL , daylight running lights.
we dont.
but fuse 7 30a runs that.
PDC fuse 4 30am runs ASD and if blown diesel engine dies.

HBL is fuse 15 or F11
or is Fuse 7 or 8.
which blew, ive not a clue,



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'99 Ford Crown Vic LX: #12 30A Maxi fuse blows seconds after starting or ignition turned on.

i had this problem with my 1999 jeep grand cherokee laredo with the brake lights it kept popping fuses right after the ignition was turned on try putting a higher amp fuse in place of the old one that keeps blowing then check for shorts to the starter and check grounds and wires and also the transmission issue check the fluid and then if the fluid is fine change the transmission filter the filter may have not gotten replaced when the transmission was rebuilt and may be clogged or dirty
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This 30 amp fuse, If it blows when cranking, it is usually the starter dragging, if it blows by just turning the key on it is usually the fuel pump drawing too many amps.
I hope this helps.
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YOU GOT A IGNITION WIRE TO STARTER SHORTING TO GROUND.
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I have a 98 jeep grand cherokee 5.2l v-8 4x4, keeps blowing the #6 fuse for the overhead panel it also kills my turn signals and vic. I have checked all bulbs and wires I could see it happens when i turn...

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1998 Jeep Cherokee blown fuse

Hello There

15 Amp sounds too small. It should be around 25 -30 Amp. You need to double check the size of fuse needed.

Hope this helps.

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30 amp fuse/ in box under hood

The 30 amp fuse is most likely for your starter. Check that the red thick wire (could be black as well) leading to the starter and starter solenoid is properly attached and is not touching anything that would short it out and therefore blow the 30 amp fuse. The short may even be inside the starter in which case it will need to be replaced or repaired. Hope this helps.
Alex
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