I repaced my ignition switch

Tiny
FIREFIGHTER171
  • MEMBER
  • 1989 MERCEDES BENZ 190E
  • 30,000 MILES
I repaced my ignition switch. When I removed the old unit the wires slipped out of harness. This would be the harness the igntion itself plugs into. It is a round plastic wire holder. It is marked 15x, 15t, 30, and so forth. There are 7 wires that go into this harness. This is an early 1989 model that does not have the locking tranny switch. Please help as we are going into freezing weather and this vehicle is in danger of freezing without winterization.
Saturday, December 8th, 2012 AT 4:35 PM

5 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Ignition Switch -- Connector View

Pin and Circuit Identification
15 Battery voltage: ignition switch in "Run and Start" (Ignition switch position #1)
15R Battery voltage: ignition in "Accessory, Run and Start".
15X Battery voltage: ignition switch in "Run only".
30 Battery voltage: "Hot at all times".
P30 Battery voltage: ignition in "Off and Accessory".
50 Starter motor control.

Note: For further information refer to electrical diagrams found under "Power Distribution" See: Diagrams Electrical Power and Ground Distribution Power Distribution

try this diagram

Roy
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Saturday, December 8th, 2012 AT 4:51 PM
Tiny
FIREFIGHTER171
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  • 4 POSTS
Roy,
Would you happen to have the color of wire that goes in the slots? I.E. 15x=red wire?
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Saturday, December 8th, 2012 AT 8:09 PM
Tiny
FIREFIGHTER171
  • MEMBER
  • 4 POSTS
I hate to be a pain but the diagram I can't seem to enlarge to view. The color codes would be of great help.
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Saturday, December 8th, 2012 AT 8:16 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Try saving it to your computer, then re open and enlarge it.

Roy
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Saturday, December 8th, 2012 AT 8:27 PM
Tiny
FIREFIGHTER171
  • MEMBER
  • 4 POSTS
Roy,
Thank you for your time. I have enlarge the diagram but once enlarged it becomes too blurry to read. I was hoping for the color codes. I will continue to attempt to find what all the codes corresponding to wire colors are. Thank you again.
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Saturday, December 8th, 2012 AT 8:57 PM

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