What is an encoder motor and what does it do? If you think your encoder is failing what shoud you do? http://www.buyautoparts.com/howto/repair-encoder-motor.htm

1. What is an Encoder Motor?
What is an Encoder Motor and how does it work?
source: http://www.buyautoparts.com/howto/repair-encoder-motor.htm

2. Transfer Case
Encoder
Motor
source: http://www.buyautoparts.com/howto/what-is-a-encoder-motor.htm

3. What is a Transfer Case Encoder Motor?
• To get a better idea what a transfer case encoder
motor is, you must first know what the transfer
case does in your vehicle.
– A transfer case is also known as a transfer gear case,
transfer box, transfer gearbox, or jockey box. The
transfer case is found in vehicles that implement four-
wheel and all-wheel drive.
– The transfer case is connected to the transmission,
and the front and rear axles. The drive shaft attaches
the transfer case to the transmission and the axles.
source: http://www.buyautoparts.com/howto/what-is-a-encoder-motor.htm

4. What is a Transfer Case Encoder Motor? Pt 2
• The transfer case receives power from the transmission
gears and passes it to the front and rear axles.
• In most modern cars the transfer case is chain driven, but it
is still possible to find transfer cases that are powered by a
set of gears.
• In some trucks or off-road vehicles four-wheel drive can be
turned on or off depending on the driving conditions.
Depending on the type of vehicle, there can be a shifter or
an electronic switch that switches from two-wheel drive to
four-wheel drive.
• This is where the transfer case encoder motor comes into
play. The encoder motor is what provides the power for
your vehicle to switch back and forth between two-wheel
and four-wheel drive.
source: http://www.buyautoparts.com/howto/what-is-a-encoder-motor.htm

5. What is a Transfer Case Encoder Motor? Pt 3
If you think that there might be an issue with
your transfer case, or the transfer case encoder
motor you should have it inspected
immediately. You don’t want to be in a situation
where you need to switch your car from two-
wheel to four-wheel drive because of difficult
driving conditions and be unable to because
your encoder motor is not functioning properly.
source: http://www.buyautoparts.com/howto/what-is-a-encoder-motor.htm

6. What is an Encoder Motor?
The End
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source: http://www.buyautoparts.com/howto/repair-encoder-motor.htm