Question about 1993 Toyota Corolla

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No start, blown ignition fuse 30 amp.

1993 toyota corolla dx wagon does not start.
Stalled while driving, has not started since.
Ignition fuse blows.30Amp in engine bay.
Checked for shorted wires, could not find.
Disconnected alternator and starter, still blows fuse.
disconnected distributor, still blows fuse.
Checked starting switch, 0.5 ohm
checked distributor
coil 1ary resistance 1ohm, secondary, 11kohm
pickup coil,says .200 and .400(G-G+ and NE-Ne+)
checked Te1E1 diagnostic, no check engine code at all.

Is it a bad relay?. Tomorrow i go to junkyard to get relay, fuse box, distributor and more 30 amp fuses( blew 10 already testing).
Will appreciate any fresh ideas. Thanks.

ps. had an aftermarket alarm; discoinnected all spliced in wires and reconnected ignition key cable that was cut to install alarm. alarm is a chapman(probaly 10 or more years old).
ps2. now the fan turns on(and of course coolant is cold, since it won't start)

Someone suggested I check the radio for a short there( thanks for the idea). I will check that.
It makes sense. i already had a similar electrical problem with another car. I was installing a stereo and when i turned on the ignition, it would start blinking on and off. Turned out to be that i forgot to untie some cables I had shorted in the turn signal light( I was repairing the left fender and the cables were tied together).

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If it is the AM2 (30A) fuse that is blowing, check the ignition condenser, capacitor, within the ignition assembly. I just removed it and assembled the ignition back together. I am in the process of ordering a new one from Rock Auto for a total of $2.57. It seems to be a common issue. The condenser is actually a capacitor and the issue is that they internally short.

Posted on Jul 28, 2013

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SOURCE: 93 corolla 1.8 No start Blown ignition fuse

I had a prolem like this one time a while back. what i did was got the wiring diagram and checked everything that was running through that 30 amp fuse. on the one i was working on it ended up being an injector wire pinched under the valve cover and it didnt short out till the car was driven til it warmed up and expanded after the valve cover gasket was changed. hope this helps!

Posted on Jun 27, 2009

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