I'm going to forward a good Youtube video that I think may help. There are common problems with these cars when they get old or have been repaired incorrectly. A short in the wiring harness at the left rear corner of the engine is common. Look just below the valve cover ( rear corner closest to the transmission). Also the Condenser (located on the drivers side as well). Next to the valve cover, transmission side. TEST: Unplug it and replace the fuse. If it doesn't blow then the condenser is bad. Lastly is Fuel pump relay, wiring to the fuel pump or fuel injectors. I don't know your skill level so please let me know if you need anything else or how you would like to proceed.
SOURCE: am2 30 amp fuse blowing
check the battery cables for wear and make sure they aren't grounding out on the frame you have a direct short and that is more than likely where it is
SOURCE: am2 keeps blowing up
Its most likely the capacitor on the distributor. Remove the distributor cap and rotor. Under the coil on the right hand side is a cylindrical capacitor about 1/4 length of a AA battery. remove and replace. It's about a $5 part and an easy fix. If you go to NAPA AUTO PARTS, the part # is: RC102. The UPC # is 7-0739090352-1. The description is Distributor Capacitor and Terminal.
SOURCE: AM2, 15amp, Starter system, "ST"
Have an auto electrician look at it.
I had the same problem just last week. It turned out to be the idle
regulator. Every time the IR got hot it would blow the fuse.
You can drive the car without it attached but get it fixed asap. Got one
for $40 from a spare parts place ($200 brand new) and my mechanic mate
changed it for me (looked easy enough to do it yourself). Good luck.
SOURCE: 94 toyota corrolla blows am2
Sounds like the starter is drawing to much current and therefore blowing the fuse. probably needs to be checked by a mechanic
SOURCE: fuse am2 problem on 94 toyota 2.2 4 cyl. blow out when trying to start car
The electrical circuit from the AM 2 fuse goes to the ignition switch, it leaves the switch out and branches off to the clutch start switch at the clutch pedal and then to the starter relay. The black and white wire coming out of the relay goes to the starter solenoid.
The circuit also includes the engine main relay, cooling fan relay, injection relay, EFI relay, and so on. You should have a wiring schematic to do this. If you don't have a repair manual with the schematics, you can get one with a subscription to the ALLDATAdiy.com.
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