How to replace the fuse box?

Tiny
CHARLESTUCK
  • MEMBER
  • 1985 MERCEDES BENZ 380SL
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
There are fuse slots that have no current. I disconnected the battery and cleaned each terminal thoroughly. Only a couple of them have current now, so I have ordered a replacement fuse box. I need to be able to swap wires from the old fuse box to the replacement. Thanks.
Wednesday, July 20th, 2022 AT 7:36 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
It might be the ignition switch that is causing the issue, I would check the power outputs at the switch. Here is a guide to help you with the power distribution wiring diagrams that feed the fuse panel and I found some fuse panel diagrams to help understand what you are doing:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check out the diagrams (below). Please let us know what happens.
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Thursday, July 21st, 2022 AT 1:17 PM

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