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Chris (aka-Moose)
Chris (aka-Moose), Auto Technician
Category: Toyota
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Experience:  16 years of experience
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I have an electrical problem with a 2010 Toyota Prius.

Customer Question

I have an electrical problem with a 2010 Toyota Prius. Battery was temporarily hooked up reverse polarity. after corecting ca will not recognize key or start. What should I check next?
Submitted: 2 months ago.
Category: Toyota
Expert:  Toyota Service replied 2 months ago.

Hello. Welcome to Just Answer. In the area where the Aux Battery is located, look for a 140 amp cartridge fuse. See if it is blown. Hooking up the Aux Battery backwards always causes this fuse to blow.

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