Question about 1994 Nissan Pickup

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My 94 Nissan SE-V 6 with manual transmission will start without the clutch engaged. I checked switches on clutch pedel and they are ok. Could it be a shorted diode in the interlock system? If so, where is the diode located

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  • ebones May 05, 2009

    50 k miles on clutch. No problem with clutch.

    Just that the engine shouldn't start if clutch is not pushed in (diengaged). Trying to find why it does, it didn't when new, Its not the switches. Electrical schematic shows a diode in circuit...I can't find the diode.

  • guido brunelli
    guido brunelli May 11, 2010

    How many miles on said clutch?



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I've ssen diodes in larger diesel trucks with this problem and the diode is under the hood near or in the fuse panel. If i remember it was a blue diode. Good luck on this one it took us about a month to get a replacement. Let me know if you find it, i'd like to know where it is as well, no one in my shop has ever had to research it before this.

Posted on May 06, 2009


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