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How much faith do you have in the Bentley gospel for the fuse box?

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    How much faith do you have in the Bentley gospel for the fuse box?

    I blew my first fuse yesterday while finally getting around to replacing my C405 connector housing in the door and, having lurked here long enough, figured I should buy extras to keep on hand.

    After I replaced the fuse I blew with a new one, things seemed to be working properly but I noticed that at least one of the fuses currently installed by a PO are lower amp ratings than the Bentley manual indicates is proper; this is fuse 28. Bentley says this should be a 30 amp fuse, not the 7.5 amp one which is installed.

    See https://imgur.com/6tMA7eK and https://imgur.com/WosKcYg

    So it made me want to hear other's thoughts, how much faith do you put in Bentley for technical items like this? Is my Bentley manual wrong? Should I replace fuse 28 with a 30 amp fuse, and check the others are the correct size too? Or should I only concern myself with "fixing" this if I encounter problems in the future?

    Cheers!

    It's a 1987 Convertible
    Last edited by XcvX; 07-09-2019, 06:50 PM. Reason: Realized immediately sharing my model might be helpful.

    #2
    Not sure what that fuse is for but I just went out and checked mine. Its a 30. For a 1987 as well.

    Instagram: Reichart12

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      #3
      In case this comes up in a search someday, and imgur doesn't die before then, here is a graphical diagram found on this site https://www.e30gruppe.com/e30-fuse-box-diagram/

      And the table of fuses, size, and circuit name/purpose table from the 1987 ETM

      https://imgur.com/fkP1Vh8

      https://imgur.com/T9jThhn

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