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Rear Defrosters


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Based on what I've read in the 1991 Factory Service Manual (I don't have a '90), there are two fuses you might check on. At the RH front of console interior relay center is fuse #2-25amp defog and outside heated rear view mirror fuse.  At the LH front of console interior fuse block is fuse #20-5amp coolant fan fuse.  Both seem to be related to the rear defogger. 

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1 hour ago, meehan said:

Yea!! My rear defrosters work again.

Lately I've been hoping for frost just so I can turn them on. 🙂

Thanks Again dship

Now so should your heated driver's side external rear view mirror. 

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