Quote:
Originally Posted by 85MB300D
Will ALL 1990s W124s need to have this done? Or only certain years and models?
How can you tell if it has been replaced or not?
Thank you!
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Check out the attached picture that shows an "easy" place to inspect the wiring harness. It's NOT the best place but is easily done and will give you an real-world check to see if the wires are bad or starting to go bad.
Remove the front facade by lifting up and locate the farthest sensor on the right.
If it's 'bad' there, then it is in worse condition at hotter places. It needs to be replaced.