Tercel Rear Window Defroster Not Working


Old 01-23-04, 11:04 AM
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Tercel Rear Window Defroster Not Working

I recently installed a JVC CD player in my daughter's 1996 Tercel. I tested all of the connections per the installation instructions, and soldered final connections. The unit works great, however, the rear window defroster doesn't work now.

I was talking to my mechanic recently describing the problem and he figured it is a wiring issue because the indicator light comes on when the defrost button is depressed, but the defroster doesn't work. The 30 amp square fuse and 15 amp mini fuse for the defroster appear to be ok. It worked fine before I "saved" my daughter the cost of installation.

Anyone out there have an idea as to what error I made in wiring and how to correct the problem?
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Old 01-23-04, 11:23 AM
darrell McCoy
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I'd say a wire issue also, check the trunk area and go from there.
Retrace your steps involved when installing the changer.
Old 01-24-04, 09:49 PM
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Make sure the wire at each side of the rear glass is plugged in.

Also did you remove any 10mm head bolts in the trunk area? (could be the ground for the defroster)
Old 01-25-04, 07:03 AM
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rear window defroster

Check continuity on the window grid. If continuity is good then you have to trace wires. If vehical is a hatch back, then there could be a broken wire in the rubber boot beteen the hatch, and the car body. I just dealt with this problem in my wifes car.
Old 01-25-04, 07:32 AM
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Save yourself a little time and go directly to the connections at the window and test for power and ground. Work back from there for whichever is missing. If neither is missing, the heater itself has gone bad. They make a paint on liquid to fix breaks in those.
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