What to know about the Combination Switch Assembly:
A combination switch assembly has different works. This part is joined to your turn signal indicator and controls all of the duties on the lever. The combination switch assembly alters the high and low beams on your headlights, showing when you are navigating left or right, and activates the hazard lights when necessary. It puts on the windshield wipers in the front as well as the rear if equipped. The control also activates the windshield washer fluid.
The control is situated inside the steering column and joins to the lever with multiple cables that run to the various parts that the switch controls. When the switch becomes abnormal or fails, none of the parts attached to it will function. However, a faulty switch may work periodically or for some parts and not others until it fails totally.
Facts to Note:
The combination switch assembly activates and alters all parts attached to the turn signal lever.
The steering column must be taken out to access the switch.
The combination switch will need to be changed not repaired.
The combination switch will vary based on make and model and even year because different controls have been added to the turn signal lever.
How to Fix:
The combination switch assembly is confirmed that it needs to be changed. The battery is then disconnected.
The steering column trim panels are taken out for access and the defective combination switch assembly is disconnected and removed.
The new combination switch assembly is fixed and connected.
The trim panels are reinstalled. The battery is then reconnected and the combination switch assembly is tested for operation.
The vehicle is road tested to ensure proper working of the combination switch assembly.
The same sign that show a failed combination switch assembly may also be caused by other problems such as spoilt fuses. Have one of your expert mechanics check out the issue and rule out other causes before changing the combination switch.
Common symptoms indicating you may need to replace the Combination Switch Assembly:
Headlights will not shift from high to low beam or vice-versa
Turn signals fail to work
Windshield wipers will not turn on or washer fluid is not activated
Importance of this service
If the combination switch assembly stops functioning, you will not be able to drive after dark since the headlights will not come on. You could also get a traffic violation for failing to signal when turning or even cause an accident. Have it checked and changed if necessary as soon as you can.