Question about 1999 Cadillac DeVille
SOURCE: Rear Windshield Wiper Problems
Check the wiper motor connection if its touching anything and loose it will automatically ground out and check at connection make sure you put some gel and then snap it in/ Please rate my response thank you very much
Posted on Jan 31, 2009
give the mottor a few taps and spray wd40 in it if you can it releases things thats stuck. also make sure all movable parts are moving freeely. sounds silly but can catch on things. cables are not squashed and the like.
Posted on Mar 26, 2009
Sounds like the PARK SWITCH within the WIPER MOTOR is at fault, Only way to beat it is relay the motor. Hope this helps
Posted on May 08, 2009
I have a 1999 XJ8. Same setup as yours, with very minor differences.
I had the same problem, turned out NOT to be fuse, OR bad relays, OR
wiper motor, OR Body Processor Module. It was simply a loose
connection at the body processor module below the Glovebox. I
Literally jiggled the wires, and it started working again, and has been
ever since. I have the Shop Manual, Technical ability, and Tools
available to test all of the circuits involved, and went forth with
printing out the wiring diagrams, and step by step eliminated each,
until I decided to give the connection a jiggle, JUST BEFORE replacing
the Body Processor Module (which would have been expensive)
Try the jiggle trick. Should be able to access harness just below, and behind the left of the glovebox. touch around up there, but don't be a brute, as you MAY break stuff.
Check Fuse under hood, (#22) Should be a 30A fuse
Swap the relays located on the drivers side, just behind the radiator. One is for Wiper motor run, the other is for wiper motor high speed.
Test 4: Jumper Pin 3 & 5 on the LEFT relay (drivers left) (please remove relay first). This should turn the wipers on, regardless of whether or not the computer is telling it to run. If wiper does not turn on, check fuse, or replace wiper motor.
That's all I've got.... Hopefully this works for you.
Posted on Jul 13, 2009
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can be faulty wiper motor or blown wiper control fuse.
you hear any kind of noise when you starter the wiper function. If yes then
fuse is ok, but issue is wiper motor.
no movement at all and no noise then its blown fuse or shorted/loose wiper
control wiring: -----
complete troubleshooting i suggest you few helpful links with accurate
the link below: -------
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