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Old 04-04-2008, 08:28 PM   #1
Join Date: Apr 2008
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98 TJ fuse question

Hi all,
Our TJ has ALWAYS run great, 4 cylinder and all. The other day I was fiddling with a loose radio connection and shortly thereafter took it for a short ride up town. It was running great, then the engine shut down. It would crank over, but not fire and the #19 accessory fuse keeps blowing. I unplugged EVERYTHING to the radio, replaced the fuse with another 20amp, and it blew again. And again. I tried a 30amp (out of frustration and stupidity) and it didn't blow, and didn't start. Second attempt it did blow. I could sure use some advice. Thanks!
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Old 04-04-2008, 08:49 PM   #2
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never put a higher amp fuse in the spot of a lower. It's there for a reason. To protect electrical components. If it keeps blowing theres a prob like a short.

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Old 04-04-2008, 08:55 PM   #3
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Its obviously the radio connection or nearby to that, something not grounding.
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Old 04-04-2008, 09:55 PM   #4
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I just can't figure out what's grounding out. It should be simple, but doesn't seem to be. I'm not sure what else would be using this circuit.
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Old 04-04-2008, 10:45 PM   #5
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Skip that fuse for now and check all your other fuses behind the glove box and in the distibution box under the hood.If it isn't fireing at all it has more than likely blew a fuse to the ECM/PCM or your distributer isn't getting a positive feed.
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Old 04-04-2008, 10:52 PM   #6
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Are there any fuses besides those behind the glove box and in the distribution center under the hood? Is there one for the fuel pump somewhere else?
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Old 04-04-2008, 11:13 PM   #7
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can you hear the fuel pump hum when the key is turned to "on"?
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Old 04-04-2008, 11:20 PM   #8
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Originally Posted by Tinker View Post
can you hear the fuel pump hum when the key is turned to "on"?
Nope, just the fuse popping. I can't remember hearing the fuel pump before, though I guess I didn't listen for it in all honesty.

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