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  1. WCBlueSky

    80 horn contact plunger replacement intel (EDIT: make that 95-97 SRS/horn clock spring)

    That I don't know. I don't have a Lexus, so I'm not sure if a Toyota part number always equals a Lexus part number. 🤷‍♂️
  2. WCBlueSky

    80 horn contact plunger replacement intel (EDIT: make that 95-97 SRS/horn clock spring)

    What about post #13 in this thread? :hmm:
  3. WCBlueSky

    80 horn contact plunger replacement intel (EDIT: make that 95-97 SRS/horn clock spring)

    The other test you can do (beyond testing continuity through the wires of the old clock spring) is to test the voltage at different places through the horn wire path. For that you would need to hook up the battery and use a different setting (DC voltage) on the multimeter. The black probe goes...
  4. WCBlueSky

    80 horn contact plunger replacement intel (EDIT: make that 95-97 SRS/horn clock spring)

    https://www.fluke.com/en-us/learn/blog/digital-multimeters/how-to-test-for-continuity Basically you want to see less than 1 ohm resistance between two ends of a wire. The clock spring is simply like a bunch of wires that can rotate around when the steering wheel turns and still be connected...
  5. WCBlueSky

    80 horn contact plunger replacement intel (EDIT: make that 95-97 SRS/horn clock spring)

    I would use a multimeter to test for broken continuity through the old clock spring before dropping a couple hundred bucks on a new one.
  6. WCBlueSky

    80 horn contact plunger replacement intel (EDIT: make that 95-97 SRS/horn clock spring)

  7. WCBlueSky

    80 horn contact plunger replacement intel (EDIT: make that 95-97 SRS/horn clock spring)

    As shown by the link I posted, part number: 8430624010 supersedes the other part numbers you posted. Supersession(s): 84306-24010; 8430620040; 8430628020; 8430630060; 8430633020; 8430650080; 843102L080. And it fits your LX 450. I'm not saying that you need to buy it from Lexus, but pretty sure...
  8. WCBlueSky

    80 horn contact plunger replacement intel (EDIT: make that 95-97 SRS/horn clock spring)

    This site answers all your questions: https://parts.lexus.com/p/63253921/8430624010.html
  9. WCBlueSky

    80 horn contact plunger replacement intel (EDIT: make that 95-97 SRS/horn clock spring)

    I think you are mixing up earlier and later models. What you have in your picture is a clock spring, but the plunger part you bought is for a '94 and earlier. '95 and above use the clock spring, no plunger...
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