To repair a seat heater on a 2004 Buick LeSabre, disconnect the connector and check for voltage. If there is no voltage, replace the switch. If there is voltage, check for an open circuit.
may have a bad signal switch,or may be a blown fuse
Door pin switch.
bad fuse or relay switch
A 1992 LeSabre wouldn't have a valet switch
It controls the headlights, dash lights, tail lights and park lights. You don't repair it you replace it.
no, the switch in the steering column is bad and needs replaced.
Bulbs burned out, possible headlight switch
Switch? both headlights?
Bulbs burned out? Headlight switch bad? Relay?
bad switch or relay, possible short in wiring
Its the dimmer switch bad.