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Lights wont shut off

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Old Oct 11, 2023 | 07:39 PM
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Default Lights wont shut off

Car blew a fuse recently and the cluster lights, taillights and side markers stopped working. Changed the fuse and now they wont turn off. changed a few relays and still no change, appreciate and help!
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Old Oct 12, 2023 | 10:08 AM
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I'd start by checking the switch for proper functionality.
You can find a link to the service manuals in the sticky posts, they might have some useful diagrams.

What year and model C5?
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Last edited by Dads2kconvertible; Oct 12, 2023 at 10:16 AM.
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Old Oct 12, 2023 | 12:45 PM
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Moved to C5 Tech for assistance.
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Old Oct 13, 2023 | 10:03 AM
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Originally Posted by 408C5
Car blew a fuse recently and the cluster lights, taillights and side markers stopped working. Changed the fuse and now they wont turn off. changed a few relays and still no change, appreciate and help!
Howdy! The Sentinel setting should be disabled to help isolate.The multifunction switch tends to be the source for any lights stuck on, definitely worth testing it. The parking light output is Brown, terminal R. MFS has 19 circuits going through and is an easy target but I put the chart below together in case it is ruled out.




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