Window Switch Test and Replacement
How To Test Car Window Switch How To Replace Car Window Switch Tools and Supplies Needed Test light Metal scribe or equivalent Test wire leads w/clips Screwdriver set Protective gloves and eyewear Torx driver set. Helpful Information: Electric window systems are common technology which is universal throughout the automotive industry. These systems work from a simple polarity change to activate an electric motor which will turn it one direction or the other. This change is controlled by the switch which utilizes power and ground circuits. These switches can be bypassed by the BCM on some vehicles which are designed with control relays that activate the motor remotely. Best Practices: Keep switches clean and free from debris. Plastic door panel pieces can be brittle. Lubricate window mechanisms Re-install plastic liners Easy step by step repair guide on how to test and replace an automotive window switch, this article pertains to most vehicles. Difficulty Scale: 4 of 10 ...