Power windows, wipers, driver seat not working

Tiny
ME HOW
  • MEMBER
  • 1991 MERCEDES BENZ 300CE
  • 3.6L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 222,223 MILES
All windows do not work using the switches but windows will go and down using the security entry with key. The seat will adjust before starting the car. While the car is running, windows, seats, and wipers do not work.
Saturday, May 4th, 2019 AT 5:26 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,070 POSTS
Hello,

Lets start by checking the fuses here is a guide to help walk you through the steps of checking for power and the fuse location in the diagrams bellow.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.
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Monday, May 6th, 2019 AT 3:27 PM
Tiny
ME HOW
  • MEMBER
  • 2 POSTS
Thank you for your response, it's not the fuses. I ordered a new relay module, I'll let you know if that fix the problem.
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Tuesday, May 7th, 2019 AT 2:09 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,070 POSTS
Please let us know what happens.
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Tuesday, May 7th, 2019 AT 2:09 PM

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