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  #1  
Old 10-17-2019, 09:14 PM
mikenpike2000
 
Join Date: Oct 2017
Location: Kentucky
Posts: 20
92 300DT electrical issue. Key switch?

The old gal is at it again, Guys. Picked it up today from the repair shop (alternator) and everything worked fine. Jumped in to go tot he store real quick n the windows wont work, sunroof, wipers, nothing. I've had an issue sometimes with the key getting stuck in the ignition, and it doesn't feel smooth when I turn the key. Could it be the key switch?? A couple times when I turned the key, the sunroof would open on its own, or the windows would roll down. Ideas??? ALSO, where is the fuse for the heater blower? It just says "outside fusebox" on the fusebox guide card.

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  #2  
Old 10-17-2019, 11:18 PM
Registered User
 
Join Date: Nov 2009
Posts: 187
Check fuses. If ok, my money is on the central convenience module under the rear seat.
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  #3  
Old 05-13-2020, 12:53 PM
mikenpike2000
 
Join Date: Oct 2017
Location: Kentucky
Posts: 20
I think you are right. Now Some windows work, others don't, the wipers are working again. I took out the backseat, and when I push the window buttons, that module clicks but nothing happens. Plus there is a continued battery drain while parked. She will go low overnight, not totally dead, just low enough to not start. I'm keeping an eye on ebay and Amazon for a replacement module. Thanks for the advise!
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  #4  
Old 05-14-2020, 08:17 AM
Registered User
 
Join Date: Nov 2009
Posts: 187
I don’t believe the wipers are controlled by the CM but verify. If nothing works you’re probably right about the ignition switch.

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