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    azladywildcat's Avatar
    azladywildcat Posts: 1, Reputation: 1
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    #1

    Jun 6, 2008, 08:09 PM
    1990 Honda Civic Wiring problems
    Were can I get a wiring diaframn for a 1990 Honda Civic ?
    I am having eletrical problem's , with fuel .
    Were is the main relay,and the fuel relay, located on this car ?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #2

    Jun 7, 2008, 08:24 AM
    . Test all under-dash fuses with a test light or multimeter:

    https://www.askmehelpdesk.com/cars-t...tml#post252145

    Test all fuses carefully and thoroughly, in order to not waste time and money. Pay particular attention to the ACG (S) (ALT) fuse, which is likely Fuse No. 12.

    . The main relay (fuel relay) is located just above the under-dash fuse box. I have never seen a bad Honda fuel pump, even though many frequently replace them. Most fuel pump-related problems are due to blown fuses or ECM failure.

    Therefore, if the problem persists, read Sections A and B below:

    https://www.askmehelpdesk.com/cars-t...tml#post219438
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