depending on the make model,
it should be in a black? plastic box under the hood,
otherwise its in the back of the fuse box if it even has a relay some older cars don't, they just have a heavy fuse
First check fuses, relays to wiper motor. Then check power to wiper motor. Then check linkage to wiper motor.
Check fuses and relays
check fuses or relays
If the fuse keeps blowing then there is a short somewhere in the wiring. The best thing to do is recheck the wiring on the wiper motor, switches, and relays.
It may be the wiper switch, it may be the motor. You may want to try putting power directly to the motor to confirm that the motor is good.
depending on year. it could be a number of things. check relays, fuses and motor.
Remove the wiper arm from the wiper motor. Remove the wiring harness from the wiper motor. Remove the wiper motor retaining bolts. Reverse the process to install the new wiper motor.
Remove the wiring harness from the wiper motor. Remove the windshield wiper arm from the wiper motor. Remove the wiper motor retaining screws. Reverse the process to install the new wiper motor.
Blown fuse, bad relay, bad wiring or connection, burnt out wiper motor... could be any of those. Before you can fix it, you need to diagnose it. Check the fuses for power, test the relays for resistance. If you don't find your problem there, get a trim puller and remove the trim from the rear door. Disconnect the wiper motor. Check the wiring for power at the ends, then test the wiper motor for resistance. If the wiper motor shows no resistance, it needs to be replaced.
The windshield wiper relay switch, on your 1999 Cadillac Deville, are located mounted to the firewall in the engine compartment. The relay switch will be next to the windshield wiper motor.
Wiper arm travel rod from the wiper motor. Remove the wiper motor wiring harness. Remove the wiper motor retaining bolts. Reverse the process to install the new wiper motor.
Remove the rear wiper arm from the wiper motor. Remove the wiring harness from the wiper motor. Remove the wiper motor retaining bolts. Reverse the process to install the new wiper motor.