whats wrong with my turn signals and power windows and power mirrows ?

1998 MERCEDES BENZ 280
17,600 MILES
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LCAT57
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  • 1 POST
when the car is running the car turn signals and power windows and power mirrows will not work. But when you turn the key on the on position without the car running the three items will work whats wrong ?
Nov 17, 2011 at 2:51 AM
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RIVERMIKERAT
  • CERTIFIED EXPERT
  • 6,110 POSTS
Bad ignition switch. Bad wiring. Bad relays. Loose connections. Bad grounds. Ground loop. I've attached the schematics for the affected systems.
Nov 17, 2011 at 4:33 AM