Project2G
15+ Year Contributor
- 1,588
- 35
- Aug 11, 2003
-
Littleton,
Colorado
This happens to mine sometimes. I would spray the rails down with WD40 and sometimes I gently help the sunroof when I close it.
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What up Goldsboro...I was born there lo these many years ago.
Is there a fuse or relay under the hood? Check first if you have not already. And triple check everything for the alarm, as it's probably in there somewhere since you have a direct relationship between the two and the failure.
These sunroofs can be a big PITA. I've had mine in and out probably a dozen times for repair or replacement. I think there are some tech articles here on Tuners that address sunroof issues as well, so check there, too.
If all that fails:
Pull off your visors, A-pillar covers, sunroof switch cover, and the rubber trim around the inside of the sunroof opening, and then remove your headliner. Power for the roof comes in at the large harness connector for the 'black box'...you'll know it when you see it. IIRC it's the 3rd wire from the right when looking at the back of the connector. Ground is 2nd (?) from the left when viewed from the same angle. Make sure you are getting power there first.
If yes, then see if it's getting to the switch, then the motor. The wiring path is pretty easy to follow. Find a good power and ground source and jump them over to the motor to see if it's good. Check continuity through the switch...centered it is not making contact (open position), fore or aft it's closed and you should have continuity both ways to the center wire.
If all the parts seem to be in order, the black box may be the culprit, so try swapping one in from a known good roof. You can still hardwire the thing to operate if that does not fix it. PM me if you need to do that. But check everything out thoroughly first.
bry_guy said:It is a fairly thick red wire. I called the previous owner and he said that he thinks it might be the main power to the fuse panel.
If you suspect that wire is the power feed from the fusebox to the sunroof, and if your visual at the fusebox does not turn up anything, you might check to see if that wire terminates at the 'black box' as the power source I described above. Just do a continuity check on the wire and you can rule it out/in. That might be a wild goose chase, though, as there are red wires that run everywhere in the car.
.Glad to hear that you got that tracked down.
First thing I'd do is look at the back of the fuse panel under the dash and look for a corresponding cut red wire. In this thread, it looks like the sunroof fuse location is the lowest, farthest righthand fuse in the panel. Double check that list against your fuse box cover and see if that's where the cut wire originates (behind that fuse, on the back of the box). You might have to do a little digging in the harness back there to find the other cut end, but that's what I'd try to do before tapping into anything else.
If that doesn't work out, then find an alternate power source and tap into it, using a fuse in line with the sunroof power wire. It doesn't matter whether it's an ignition-switched source or not...whatever your preference is on that. Just don't grab one that's switched on with your driving lights.