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Discussion Starter · #1 ·
Trying to eliminate the annoying high-pitched buzzer that comes when door is open and key is in ignition. Have you done it? Or can anyone direct me to a relevant post? Don't see the speaker/buzzer on schematic (did I miss it?). THX!
 

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Discussion Starter · #5 ·

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German Reimport
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After reading this post and the other links, here is how I removed the annoying ignition buzzer on a 2005 Lotus Elise while still retaining the lights-on buzzer

Remove the GREEN-RED wire behind the instrument cluster

Note1: If you remove the C3 fuse you no longer have a radio.
Note2: The Purple wire on the instrument cluster will also remove the buzzer for the lights on
Note3: There are 2 GREEN-RED wires at the connector, I figured out the correct one with a multi-meter between the instrument cluster connector and the C3 fuse (remove fuse).
Note4: I chose the non destructive removal of the pin rather than cutting the wire (your choice). It can be done by removing the large blue locking pin and using a very small screwdriver from the front of the connector. I then used heat shrink to keep the removed wire safe.





 

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Forgive me, but who would care about that buzzer enough to spend more than 2 minutes on it?

Close the door or remove the key: Free, fail-safe, easy to do.
 

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That made me laugh.

BTW, my original radio works with key in or out.

Garage has old component radio.
 

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Recreational Mechanic
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Resurrecting this thread. Did you have to pull the instrument cluster out to access the wiring, or can you get to it under the dash?
 

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purveyor of lightness
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The wiring shown above with the removed wire is from the rear of the gauge cluster so YES you have to at least pull the steering wheel surround and binnacle...
 

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Recreational Mechanic
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Thanks. Looks easy enough. I like that you can keep the headlight buzzer but get rid of the key/door buzzer.
 
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