Would suggest you check the fusible linkage in the main fuse box under the hood. It is the rectangular compartmental transparent fixture next to the positive terminal that the prius is jumpered from. Usually a reverse polarity will cause a break in the circuit.
Hello
Prius2 is not powering up after one person swapped ower polarityof battery while changing it. We changed Big fuse at the front of the car and couple of small fuses. Now when pressing power button we have engine light and power button orange light fore just one sec. After it just stays dead. While pressing power button you can hear couple relays clicking for a sec and dc to dc giving hi frequency noise for the same amount of time. Help us please. This prius was manufactured in 2003. Many Thanks
start checking fuses hopefully its just another blown fuse if your lucky
but if all the fuses are good, you probably fried something like the computer or ignition module and probably the radio
hopefully its something simple and cheep but don't be surprised if you have to shell out some cash to replace the computer
SOURCE: reverse lights fuse blew
hi
check the wire because if the fuse keep blowing there's a wire somewhere on the car that has contact with the frame so everytime you put your car on reverse the 12V wire shortcut on the frame so the fuse blow check all your positive wire and your bulb as well
Good luck
SOURCE: I hooked up jumper cables backwards
on the fire wall there is a disk that could have blown and also check for wires with fuseable links at the starter and check the fuses in the engine compartment. If yo need more help let me know. Thanks for using fix-ya and if this helped please rate this free question.
SOURCE: I reversed the jumper cables. The 100A fuse is
there should be a fuse removal tool in the fuse box replace it it should be ok but you may find you have knackerd your raido
SOURCE: Toyota Avalon 120 amp main fuse removal.
you have to loosen the mounting bolts on the fuse panel and on the bottom side the fuse is held in by 2 8 millimeter bolts.
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