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George H.
George H., Hyundai Technician
Category: Hyundai
Satisfied Customers: 18390
Experience:  Hyundai Gold certified, ASE Master tech 15+ years
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When I put the AC Diode back in it blows the 10A fuse. It

Customer Question

When I put the AC Diode back in it blows the 10A fuse. It doesn't seem to matter what way I put the Diode in it blows the fuse every time. I know it can only go in one way. Could the Diode it self be bad?
JA: Do all the fuses have the correct amperage for the circuits they're in?
Customer: yes
JA: What is the model/year of your Hyundai?
Customer: 2002 Santa Fe
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: The Compressor was replaced as it was leaking. When I was trouble shooting witht the old compressor o took the diode out and put it back in reverse by accident and it blew the fuse. Now that the new compressor in the system is charged and works fine without the diode but when you put it back in it blows the fuse.
JA: Anything else you think the mechanic should know?
Customer: not that I can think of
Submitted: 4 months ago.
Category: Hyundai
Expert:  George H. replied 4 months ago.

Hello I will help,

The diode can short if installed the wrong direction, that makes a direct path to ground.

With a new diode place it in the box with the wide end of the arrow to the grounded side of the slot.

Do you have a volt/ohmeter?