No power from the 50-amp b+ fuse in engine fuse box

Tiny
GGMLAB
  • MEMBER
  • 2010 KIA OPTIMA
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
There is power to it and the fuse itself is good, but none of the interior fuses fed by it have any power.
Tuesday, June 7th, 2022 AT 11:21 AM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

It sounds like you have an open circuit between the two. I have a question. I realize the fuse is good and there is power to it. However, have you confirmed there is power out from the fuse? Have you checked the fuse for continuity? It may appear good but have an open you can't see.

I attached a pic from the schematic and highlighted the fuse I believe you are referring to. Please confirm that for me. Note it is a fusible link, so this isn't a traditional blade-type fuse. So please let me know if you have power to and from it. If you do, at the interior box, locate the solid white wire and check if there is power to it.

Let me know.

Joe

See pic below.
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Tuesday, June 7th, 2022 AT 7:54 PM
Tiny
GGMLAB
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Yes, that's the one. Yes, I checked, and it has continuity. Is there a relay inside that the white wire goes to then out to fuses? If so, how do I get to it?
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Wednesday, June 8th, 2022 AT 11:10 AM

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