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[You may also want to check your "key switch" (ignition?) for a short, and, check your "starter relay"... this was advice given to me by someone in my family who has been getting dirty with cars/trucks since 1972.]
Have you checked the following?
Battery?
Starter solenoid?
Starter motor?
Alternator?
Distributor?
Ignition Coil?
Ignition Module?
Any and all wires/cables for this "system"?
If you have a Jeep Manual, you can find some tips in there, and troubleshooting stuff, and (hopefully) a wiring diagram.
My 84 was stripped of its ECM long ago, so everything ignition wise goes through my ignition module and that's why I didn't mention it above. If you got one, should you check that too? I guess it couldn't hurt.
As for your fuse... as you may well know, each fuse is rated at a certain amperage, yes? It sounds as if once you turn on the ignition- BOOM!- you get to much juice or amps going through the circuit, and, your fuse is doing its job... protecting the rest of the circuit.
Two more things: in my book it mentions something about checking the "ignition ballast resistor"... what that is and where that is, I haven't a clue; and, is your ignition switch actually working properly?
Again: having a Jeep Manual is great for things like this. And, if you haven't done so, try to join some online Jeep clubs (I'm in at least 5), and, look at other forums as well and post your same question there.
Good luck.
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∙ 15y ago
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