355 Fuse Box. Where is it? | FerrariChat

355 Fuse Box. Where is it?

Discussion in 'Technical Q&A' started by GrahamS, May 30, 2004.

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  1. GrahamS

    GrahamS F1 Veteran
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    #1 GrahamS, May 30, 2004
    Sorry for the dumb question but I've owned my 355 for less than a month and the cigarette lighter fuse has blown. I've found the fuse box in the luggage compartment but all the fuses are ok. According to the handbook there's another fuse box in the floor but it doesn't say where.
    I've seen a previous post mentioning about a fuse box in the passenger footwell but I can't find one in my car.
    Could somebody please help me out and describe where exactly this elusive second fusebox is.
     
  2. MarkCollins

    MarkCollins F1 Rookie
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    Jul 2, 2002
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    #2 MarkCollins, May 30, 2004
    Yes in the passenger footwell at the front behind the rubber mat on the upright part. You have ot peel the mat away, undo the two retaining screws at the top (like Zeus fasteners) then IIRC the cover hinges down
     
  3. GrahamS

    GrahamS F1 Veteran
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    #3 GrahamS, May 30, 2004
    Thank you so much, you're a superstar:)
     
  4. GrahamS

    GrahamS F1 Veteran
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    #4 GrahamS, May 30, 2004
    Thank you so much, you're a superstar:)
     
  5. 490times

    490times Rookie

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    Timothy
    #5 490times, Mar 29, 2020
    I am looking at this fuse box, scratching my head to find the radio fuse. It's not there. My radio doesn't power on and my first instinct is to check the fuse.
     
  6. Qavion

    Qavion F1 World Champ
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    #6 Qavion, Mar 29, 2020
    Last edited: Mar 29, 2020
    The wiring diagrams don't have many clues, either. One of the fuses for the radio is in the luggage compartment (fuse 4).

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    There are probably one or more fuses in the radio itself. Do you have release keys for your radio?
     
  7. 490times

    490times Rookie

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    #7 490times, Mar 30, 2020
    Thanks :) it's an aftermarket kenwood, and it turns out all the fuses were fine. Probing the constant and ground wires were good, but the accessory wire was dead, so we soldered into an accessory on the ignition cylinder. All good now :)


     
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  8. puddas

    puddas Rookie

    Jan 31, 2011
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    #8 puddas, May 28, 2020
    Can anyone tell me where the fuse is located for the secondary air box. Keep getting a p0410 and want to check the fuse!

    thanks
     
  9. Qavion

    Qavion F1 World Champ
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    #9 Qavion, May 28, 2020
    It's behind the passenger footrest. Secondary air is fuse 31 shown in the driver's manual on a 5.2 car. Relay "L" (or E10 as it is also known) turns on the secondary air system.

    If you have an owners manual, go to the picture of the relay panel and turn it upside down (Australian cars have upside down fuse panels).

    If you're getting a bypass valve message and a secondary air message, you may have a vacuum issue or someone has accidentally swapped over the electrical plugs on the solenoid valves (behind the right rear wheel arch). The blue plug goes on the secondary air solenoid valve.
     

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