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    jimbob542's Avatar
    jimbob542 Posts: 2, Reputation: 1
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    #1

    Apr 13, 2010, 11:31 PM
    My efi and gauge fuses keep blowing
    I have a 97 camry le 4 cyl. I recently had a skilled friend do some engine work i.e replaced all bearings and gaskets and I had to lift the motor in order to do this. About 5 days later my gauge fuse blew so my speedometer tach etc went out and seconds after, my efi fuse goes out. I searched for a short around my ecm and my interior fuse box area but can't find anything. I thought it was a bad ground for my stereo cd player because I found some fraying at the ground it was on but after I took it out for a drive, the gauge fuse blew again so I took it home. Hours later I started the car and the efi fuse blows the same time.

    -Things in my car
    >Aftermarket stereo I installed (wasnt a problem for 3 years)
    >Subwoofer/amp I installed (wasnt a problem for 3 years)

    BUT the problem did happen a day AFTER I reconnected my subwoofers and amp which was only PLUGGING in the Power/Ground/Remote.

    I've had a shortage problem with my CLock and cigarette lighter before and it disappeared. Now its these two. I assumed it was the bass blasting a loose wire around but I checked all the places I wired myself and found nothing. =(

    HELP!!
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Apr 14, 2010, 04:54 AM

    I found a short in my friends truck after he changed the Transmission, he had gotten the wiring harness to the rear pinned between the crossover support for the transmission and the frame. Wonder if something got pinched?
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
    		  
    #3

    Apr 14, 2010, 11:03 AM

    That EFI fuse supplies power to several components under the hood. Check to see that no wiring has gotten inadvertently damaged.
    Where did you tap in for power to the sub-woofer and amp? You may need to find another source.
    jimbob542's Avatar
    jimbob542 Posts: 2, Reputation: 1
    New Member
    		  
    #4

    Apr 14, 2010, 02:48 PM
    Quote Originally Posted by CaptainRich View Post
    That EFI fuse supplies power to several components under the hood. Check to see that no wiring has gotten inadvertently damaged.
    Where did you tap in for power to the sub-woofer and amp? You may need to find another source.
    The battery is under the hood and its connected to the amp in the back from the positive terminal. The power to the amp also runs on a separate fuse.
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #5

    Apr 14, 2010, 04:33 PM

    Separate fuse doesn't mean its not on the same circuit. Try unplugging fuse, and disconnect amp and see if it still blows.
    kitch428's Avatar
    kitch428 Posts: 1,440, Reputation: 152
    Ultra Member
    		  
    #6

    Apr 14, 2010, 04:40 PM

    Do a search here. I helped someone not too long ago for a trunk wire harness issue that's known to cause shorts. It will even effect the check engine light due to the reverse lights.
    Also, If engine wire harness was routed wrong, like near the EGR pipe, it will melt and short the EFI fuse.
    I'm betting on the latter.
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