This fuse powers the coils but also goes to the transformer capacitor. Trace the purple wire from the coils to find the capacitor. Disconnect the capacitor and test with an ohmmeter. The resistance should start at zero and climb to infinity. If not, replace the capacitor. If the capacitor is good, unplug all coils, put in a fresh fuse, and turn on the key. Check the fuse. If it burned, you have a short on the wire. If not, plug the coils back in one at a time, and check the fuse each time. If the fuse burns after plugging in a coil, replace that coil. Does this make sense?
SOURCE: Blows fuses when parking lights are turned on. Headlights work fine even running lights.
If it only happens when you turn the switchto the parking lights then it is most likely the swich that is the problem. Light swich failure appears to be a common fault with fords
SOURCE: 1991 ford ranger 3.0 eec relay fuse keeps blowing fuel good no sp
I understand that there is a relay box under the hood with 3 relays. Which is which I don't know. However if you are blowing the fuse TO the ecc relay, then the relay must be bad. This relay controls the spark.
SOURCE: Overdrive switch blowing fuse on 2002 F150 Ford
Remove the shroud around the steering column and shifter and look closly at the wires coming out of the shifter at the pivot of the shifter, if its not to bad you can tapeit and reposition it and be good to go.
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: 99 vw jettal 2.0 gas fuse
Thats the fuse for the ECU, engine control module, and is a 15amp for gas 2.0. i would locate the ECU which is under the center of the plenum in the engine compartment and disconnect the long plug. Check for green discoloration on the multipin connector. Sometimes moisture will get in there and short some of the pins together. Leave ECU unplugged and replace the fuse. If it still blows cause is between the fuse and the ECU.
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