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Chris(aka-Moose)
Chris(aka-Moose), Nissan Technician
Category: Nissan
Satisfied Customers: 607
Experience:  16 years of experience
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Engine control fuse 15 amp fuse blows as soon as ignition or

Customer Question

engine control fuse 15 amp fuse blows as soon as ignition or drive is engaged.
JA: Do all the fuses have the correct amperage for the circuits they're in?
Customer: yes they are all correct. I've disconnected each device, one by one. I disconnected the after market alarm and finally the engine started. When I tried to drive it, the EC engine control 15 amp fuse blew again.
JA: What is the model of your '15 Nissan?
Customer: 2000 Nissan maxima with a Japanese engine
JA: Are you fixing your Maxima yourself? What have you tried so far?
Customer: the new engine is not wired for the map and vacuum sensors and various other sensors. It was installed by a backyard mechanic. Yes I have looked circuit by circuit for the short
JA: Anything else you want the mechanic to know before I connect you?
Customer: it also blows one of the 15 amp blower motor sometimes with the ignition on.
Submitted: 6 months ago.
Category: Nissan
Expert:  Jared D replied 6 months ago.

Hi,

I'm willing to bet that you have a wire rubbed through or a faulty electronic motor mount. Let's start with the following:

Raise the vehicle in the air and visually inspect the wires into the motor mounts on each bank of the engine to see if the wires are blistered and melting.

Unplug the motor mounts and see if the fuse no longer blows.

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