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Old 01-09-2021, 10:35 AM   #1
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I failed to mention I have a 2000 model. I'm new here and don't know of anyone that has one. Thanks for the info
What makes you think it may be faulty?
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Old 01-09-2021, 02:01 PM   #2
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What makes you think it may be faulty?
First off window fuses are good. There's no hot pin at the window switch plug and wiring diagram shows hot wire going through fuse then to relay. Windows do nothing.
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Old 01-10-2021, 07:56 PM   #3
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Originally Posted by mtb50 View Post
First off window fuses are good. There's no hot pin at the window switch plug and wiring diagram shows hot wire going through fuse then to relay. Windows do nothing.
Someone sent you on a wild goose chase.

I’ve been watching your posts. If you want to fix your window problem, start at the immobilizer. Best of luck.

Last edited by particlewave; 01-10-2021 at 08:00 PM.
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Old 01-11-2021, 10:02 AM   #4
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Someone sent you on a wild goose chase.

I’ve been watching your posts. If you want to fix your window problem, start at the immobilizer. Best of luck.
Ok so what do I need to check on the immobillizer? Here is were I'm at . There are 3 pins in the middle of the switch. A BRN/GRN/BLK wire coming from the top relay should be hot and it's not. I've gone to the middle pin with a hot wire and the windows go up and down. The top relay does power the top but not the windows I'd appreciate any help
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Old 01-11-2021, 01:25 PM   #5
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Originally Posted by mtb50 View Post
Ok so what do I need to check on the immobillizer? Here is were I'm at . There are 3 pins in the middle of the switch. A BRN/GRN/BLK wire coming from the top relay should be hot and it's not. I've gone to the middle pin with a hot wire and the windows go up and down. The top relay does power the top but not the windows I'd appreciate any help
CLU = Central locking unit = Immobilizer. To troubleshoot the convertable top electronics have a look at that YouTube video I sent. That diagnostic sheet he references is a full diagnosis.
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Old 01-11-2021, 02:34 PM   #6
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That same connection that goes to the top relay from the switch also connects to the CLU connector 1, pin 18. You can check it for continuity and/or +12v. Once you have done that advance to the next question.

The top relay diagram:


Where it goes on the top relay plug:


To the CLU...


what it look like on the CLU plug:
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Old 01-11-2021, 02:47 PM   #7
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That same connection that goes to the top relay from the switch also connects to the CLU connector 1, pin 18. You can check it for continuity and/or +12v. Once you have done that advance to the next question.

The top relay diagram:


Where it goes on the top relay plug:


To the CLU...


what it look like on the CLU plug:
I had the seat out today and the fuse is ok. tomorrow I'll do what you showed here and get back to you. Thanks
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Old 01-11-2021, 02:45 PM   #8
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CLU = Central locking unit = Immobilizer. To troubleshoot the convertable top electronics have a look at that YouTube video I sent. That diagnostic sheet he references is a full diagnosis.
That was a good video only problem is that my 2000 top relay is different than the 1998 that he showed but I appreciate it.
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Old 01-12-2021, 09:56 AM   #9
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Someone sent you on a wild goose chase.

I’ve been watching your posts. If you want to fix your window problem, start at the immobilizer. Best of luck.
Your were definitely right about starting at the CLU. 78F350 has been a lot of help as well I've cleaned the board with alcohol and will see what happens Thanks
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