its probably the wiper transmition. try googleing how to replace wiper transmittion for Chevy Impalla.
or it might be that just one of the motors is bad, which is like an $80 part (from gspeedshop first i would check the nut under the cover on the bottom of the wiper arm these nuts are made to loosen up if wiper is jammed from ice or snow flip the bottom cover up and i think its a 13 mm nut make sure its tight if tight then check wiper linkage)
How do I replace the windshield wiper switch?
on the signal light switch
The windshield wiper SWITCH ? It's on the turn signal lever
2001saturn l200 how to replace a windshield wiper switch
The windshield wiper relay switch can be found on the firewall in the engine compartment. The windshield wiper relay switch will be on the passenger side of the firewall.
? wiper switch toyota camry 1999 replace
The windshield wiper switch is located underneath the windshield wiper lever. Remove the upper and lower steering column to gain access. Loosen the mounting screws and unplug the switch. Pull off the switch from the steering column.
they turn on with the windshield wiper switch
Where is the wiper relay located on a nissan quest 2000
The 2000 Chevrolet Malibu windshield wiper relay switch is located on the firewall in the engine compartment. The windshield wiper relay switch will be on the drivers side of the firewall.
The 1995 Buick windshield wiper relay switch can be found in the fuse box. The windshield wiper relay switch will be in the third column, third from the top.
If a windshield wiper switch on a 1995 Buick Riviera stays on when in the off position, it might be the fault of the windshield wiper relay. It could also be that the switch itself needs to be taken off and reset on the dial.