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post #1 of 3 (permalink) Old 12-10-2010, 10:04 PM Thread Starter
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Default Main fuse in underhood fuse box replacement - how?

I've got it apart and pulled up to where I can see it, but not sure how it comes apart. Friend's car, said dealer Prius tech said it's a pain...but it's gotta be doable. Supposed to be a bolt you have to take out that goes thru the fuse crosswise. I pulled tabs out, but doesn't seem to want to come apart. If I pry on the side, I can see the bolt heads...but the slightly yellow white plastic part won't separate from the pure white plastic part, which is covering the screws. There are two wires coming into the back of the assy thru a black clip, but can't get that one to release...grrr, these things are just as much of a pain as I thought. BTW, what led to this was he replaced the 12v batt, and batt had the red/black caps on the wrong terminals and he didn't notice...

Has anyone ever done it, or you always just take them to the dealer?

Thanks
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post #2 of 3 (permalink) Old 12-11-2010, 12:07 AM
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Default Re: Main fuse in underhood fuse box replacement - how?

Hi, David,

I can't help you with the fuse/fusebox replacement (others will probably be able to tell you that). But the big problem with your friend's car now may be an expensive replacement of his power inverter (the big silver topped thing that's about a foot square just to the left of the fusebox you're in) which can run about $4,000. Reversing the polarity when jump starting or replacing a battery can cause the power inverter to be fried. He may have gotten lucky & only killed the fuse (I hope that's all), but both kills can happen at the same time. You won't know if the car will run again until you get the fuse out & replaced & try to power it up. If he gets warning lights, it will probably have to go to the dealer to read the codes & determine if the inverter is toast. Hopefully the fuse will be the only thing that needs replacement. By the way, what model year is your friend's Prius

Everybody, listen up!! Please be VERY observant during battery replacement or jump starting to know the correct poles before connecting anything. This may be an expensive lesson for David's friend. Keep us posted David.

Ken (in Bolton,Ct) 2005 Pkg #4 (AM)
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post #3 of 3 (permalink) Old 12-11-2010, 12:39 PM Thread Starter
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Default Re: Main fuse in underhood fuse box replacement - how?

It's an early Prius...8 years old or so I think they said?

Once it's fixed it will be for sale, unless it's the inv...in which case it will be for sale for parts I guess.
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