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It starts but no accessories work?

Tiny
SFFINN1965
  • MEMBER
  • 1987 MERCEDES BENZ 300E
  • 3.0L
  • 158,000 MILES
It starts fine, but it has no turn/flashers, wipers/washer, power seats or windows or sunroof, no gauges, no radio or locks, but it runs great? I replaced all fuses no better? I see no loose wires at the starter or anywhere. Please help?
Monday, September 2nd, 2024 AT 5:38 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
This sounds like you have an ignition switch that is bad. But to be sure here is a guide to help you test for power, remove the ignition switch and test the PK/RED, PK/GRN and PK/YL wires when the ignition switch is on, here are the wiring diagrams so you can see how the system works. Check out the images (below). Please let us know what happens.
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Tuesday, September 3rd, 2024 AT 8:30 AM
Tiny
SFFINN1965
  • MEMBER
  • 2 POSTS
Thank you so much, ill check it out at first light.
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Tuesday, September 3rd, 2024 AT 9:59 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Sounds good, I am interested to see what you find.
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Wednesday, September 4th, 2024 AT 10:12 AM

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